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Medi-Power Size magically helps growing your penis in 10 minutes. Medi-Power Size is a non-surgical penis enlargement exercise product that can make your penis grow rapidly without side effects with just 10 minutes of exercise a day, depending on your physical condition. 
When the penis receives sexual stimulation, blood flows into the corpus cavernosum and causes an erection, making it larger. The size of the corpus cavernosum determines the size of the penis, as a larger chamber can hold more blood and result in a larger erection. Using this principle, MediSize invented and created a product called Power-Size, which operates on a vacuum pressure pump and works on a similar principle like cupping treatment. 
The epithelium of the penis is
made up of a stretchy structure. 
If you pull the epithelium of the penis with your hands, you can see that it stretches out easily. Side effects occur between the epithelium and the body of the penis, which are separated. 
Without the safe silicone protective cap When a vacuum pressure is applied to the penis using an existing enlargement pump, the body and the epithelium of the penis are separated, and blood is only drawn to the epithelium, causing it to expand. This can lead to severe side effects. 



With the safe silicone protective cap
After the protective cap is attached, applying a vacuum pressure with the enlargement pump compresses and surrounds the entire penis, including the protective cap. So, the epithelium doesn’t stretch out, and blood flows into the corpus cavernosum, causing both the glans and corpus cavernosum to expand and increase in size. 
The safe silicone protective cap is the core of Power-Size technology.  The inside of the silicone safety protection cap is made of soft silicone to safely exercise the sensitive exercise of the penis, while the outside is designed with slightly firmer silicone in a dual-layered structure to provide maximum function and effects without any side effects. The dual-layered structure is handmade as it cannot be automated. 

 The reason for it is to protect the sensitive penis during exercise, as a harder silicone can cause injury or discomfort with strong vacuum pressure, and to protect the sensitive penis during exercise.  The inside of the protective cap is designed with a water droplet-shaped embossed pattern and circular protrusions to provide a sexual sensation similar to inserting it into a woman's vagina.  It is designed to maximize the effect of vacuum pump exercise by natural erection stimulated by sexual arousal, and to minimize side effects by ergonomic design for the human body. 

By controlling the strength and duration of vacuum pressure, you can experience pleasurable sensations that are not normally felt in natural states. 
The result of 15 years of The principle behind "the surface area of the object expands as much as the gap between the protective cap and the vacuum tube" When more vacuum pressure is applied, the silicone safety cap tightly fits the size of the plastic vacuum tube, and at this point, the surface area of the object expands as much as the gap between the protective cap and the vacuum tube. Since there is a limit to how much the surface area can expand, if the vacuum tube is small, the gap between the protective cap and the tube will be too narrow, resulting in a less effective outcome. On the other hand, if the vacuum tube is large, the object may be overloaded, causing side effects. 
The safe silicone protective cap is the core of the patent and the invention Power-Size has derived the optimal size of the plastic vacuum tube and protective cap based on data collected through over 15 years of personal use. By extensive research and development, I have successfully produced a safe and effective product without any side effects. 
Permanent penile enlargement method by Medi-Power Size. Power-Size works on the same principle like cupping treatment. After just 10 minutes of exercise, the surface area of the penis expands rapidly and the micro-blood vessels are evenly activated, causing the glans to swell significantly. However, this effect is only temporary and will return to normal within 1-2 days. Therefore, exercising with Power-Size once every 1-2 days will help maintain a consistently enlarged state. Even after a month or a year, when you exercise as needed, you can see the effect of it growing back to its previous largest size in an instant, so it seems to be permanently enlarged. If you understand this principle precisely and exercise for a long period of time, you can see the effect of the scrotum gradually enlarging and expanding tremendously, resulting in a significant increase in the size of the penis. 
Tip: How to have a happy and pleasure experience in the world. ‘Practical Exercise Devise.Medi-Power Size is ‘Practical Exercise Devise.’   Power-Size doesn't pursue simple functionality and effects, but also emphasizes safety and various methods based on proper usage. After exercise, the penis reaches its maximum size, and its erection and rigidity become as strong as a tree trunk. When the glans is fully expanded like a mushroom, having sexual intercourse with a partner (within 4 hours) will provide a pleasurable experience that cannot be felt in a natural state. 
Medi-Power Size is The principle of Power-Size and various effects & functions

1. Power-Size with the strongest erectile strength and rigidity.
If you exercise with Power-Size for just 10 minutes a day, it will widen and coolly expand narrowed blood vessels. It will activate micro blood vessels evenly, making your erectile strength and rigidity as energetic as when you were young.

2. The principle behind penis enlargement with Power Size
Using Power-Size gets a strong physical force that pulls on the roots of the penis with vacuum pressure, causing the hidden penis inside the body to be pulled forward and resulting in an elongation effect.

3. The principle behind an increase in thickness and glans size
Through this physical method, the tunica pouch is initially expanded, and then the silicone safety cap stimulates the penis to receive sexual arousal, which causes blood to be pushed toward the tunica area, leading to a spontaneous erection without any side effects. So, this is the principal.

4. Power-Size for Practical Use
Whether the penis is erect or not, or even if you haven't exercised for a long time, with just 10 minutes of exercise, you can experience the size, erectile strength, and rigidity of the largest penis you have ever had in your life. It is a practical exercise equipment that allows you to have a happy relationship with your partner with a larger penis, no matter when or where, even after a month or a year, whenever you need it, regardless of the duration.

5. The principles behind effective erectile dysfunction and boredom relief 
f you use Power-Size, the glans swells and becomes larger. At this time, blood is evenly supplied to the micro-blood vessels, making the sensation of the glans come alive. Erectile dysfunction becomes dull, and boredom becomes sensitive, adjusting to an appropriate level of sensation.

6. The effect to be a man who has a boost confidence 
For those who suffer from erectile dysfunction or have trouble getting and maintaining an erection due to aging, By Power-Size you can expand the microvascular blood vessels and improve blood flow with just 10 minutes of daily exercise using vacuum pressure. This physical stimulation can increase the amount of blood in the corpus cavernosum and enhance sexual performance without relying on medication. With the improved erectile function and increased confidence, men can feel more confident and self-assured in any environment, whether it's at the gym or in the pool. Power- Size can make you a more confident and self-assured man by keeping your penis erect at all times.

7. The principle of permanent penis enlargement. 
Power-Size works on the same principle like cupping treatment. After just 10 minutes of exercise, the surface area of the penis expands rapidly and the micro-blood vessels are evenly activated, causing the glans to swell significantly. However, this effect is only temporary and will return to normal within 1-2 days. Therefore, exercising with Power-Size once every 1-2 days will help maintain a consistently enlarged state.
 Even after a month or a year, when you exercise as needed, you can see the effect of it growing back to its previous largest size in an instant, so it seems to be permanently enlarged. If you understand this principle precisely and exercise for a long period of time, you can see the effect of the scrotum gradually enlarging and expanding tremendously, resulting in a significant increase in the size of the penis. 

8. The joyful exercise device that can’t be experienced in a natural state 
The safety protection cap made of silicone creates a strong compressive force with a droplet-shaped embossed pattern and a ring-shaped border, providing a soft and smooth sensation similar to the inside of a woman's vagina, and the protection cap is in a vacuum state, it provides a pleasurable sensation that cannot be experienced in a natural state. Thus, it makes the exercise enjoyable without any pain. This addictive exercise device can be used for a lifetime.

9. Exercise to naturally achieve a circumcision effect without surgery 
When the foreskin's epithelium covers the glans, passing the narrow opening of the silicone safety protection cap causes the glans' epithelium to become moistened and fully expanded under vacuum pressure, causing blood to flow into the glans and making it swell. Repeating this process will eventually lead to a natural circumcision effect without surgery.

10. My secret exercise for the penis 
Power-Size is great for exercising in short periods of time, making it ideal for private spaces (such as cars, libraries, and bathrooms) where you can keep your workouts secret. You can exercise in private for up to 4 hours before having relations without anyone knowing. Moreover, the secret steel case has a lock, making it easy to keep hidden from others. 

An Innovative product for non-surgical penis enlargement method It enlarges your penis significantly without any side effects. 




▲ The Patent for Cavernous Body Enlargement Device  
This product has obtained PCT (Patent Cooperation Treaty) both in Korea and in overseas, with patent applications filed in major countries such as the United States, Japan, and China. Even after obtaining the first patent as the "cavernous body enlargement device" on February 6, 2012, I have continued our research and development to produce more effective products. As a result, on May 30, 2022, I obtained a patent for an improved ▲ The Patent for Peripheral Vascular Expansion Device 
 Peripheral Vascular Expansion Device," and international patent  applications (PCT) have also been completed.  This product has been used for over 15 years with minimal side effects compared to existing penis enlargement pumps, and it maximizes functionality and effectiveness.
Tip: How to have a happy and pleasure experience in the world. ‘Practical Exercise Devise.Medi-Power Size is ‘Practical Exercise Devise.’   Power-Size doesn't pursue simple functionality and effects, but also emphasizes safety and various methods based on proper usage. After exercise, the penis reaches its maximum size, and its erection and rigidity become as strong as a tree trunk. When the glans is fully expanded like a mushroom, having sexual intercourse with a partner (within 4 hours) will provide a pleasurable experience that cannot be felt in a natural state. 
Causes of side effects of existing vacuum constriction devices. The penis has the characteristic of thin skin, no subcutaneous fat layer, and loose attachment of the subcutaneous layer, making it mobile and elastic. So, the skin easily stretches during erection. Pulling the skin of the penis with a finger shows that it stretches easier than other parts of the body. When vacuum pressure is applied to the penis, blood should flow into the cavernous bodies, but since the body and epidermis of the penis are separated, only the epidermis expands, causing the skin to become engorged without increasing the blood flow to the cavernous bodies. That is why severe side effects can occur with existing vacuum constriction devices. Due to side effects, products like Bath** were developed, which use water instead of air pressure. The product works by filling a vacuum tube with water and then sealing it with the penis inside. The water is then expelled to create a vacuum (by water pressure), making the inside of the tube a vacuum state. However, the basic operating principle is similar to vacuum pumps that use air, so similar side effects are inevitable. Even though knowing the structure and characteristics of the penis precisely is essential to eliminate side effects, since only the air was replaced with water and the principle is similar, the same side effects occur. 

Side effects occur when using existing enlargement pumps without a safety silicone cap. 

Severe side effects can occur when even with only 5-10 minutes of applying vacuum pressure to the penis with existing enlargement pumps. This phenomenon occurs because the penis is softer and more fragile than other skin tissues. The typical side effect is a red and swollen epidermis that turns dark red. In severe cases, blisters can form on the glans, and symptoms of erectile dysfunction can also occur. 
Innovative invention★ Patented product Medi-Power Size, which maximizes advantages and overcomes disadvantages! 
Why should we induce natural erection of the penis? Power-Size uses vacuum pressure to initially enlarge the penis as much as possible, and then stimulates the penis inside the protective cap to induce better blood circulation. This results in the expansion of the micro-blood vessels and the maximum increase in erectile power and rigidity. Even when not erect, the penis appears larger and is immediately stimulated by the slightest sexual arousal. If the vacuum pressure is applied forcefully without the protective cap, side effects can occur. However, Power-Size uses a structurally designed silicone safety cap to induce natural sexual stimulation and avoid side effects. 
1. How to use


① Connect the vacuum pump and plastic vacuum tube to the pump line.




② Attach the silicone safety protective cap to the plastic vacuum tube.




③ Pump 4-6 times of water-soluble gel into the entrance of the silicone safety protective cap and apply it evenly with your fingers.




④ Apply water-soluble gel evenly to the penis for easy insertion into the silicone safety protective cap.




⑤ Place the entrance of the silicone safety protective cap onto the glans and pump until no more air can be pumped into the cap. (The penis will be sucked into the cap regardless of whether the penis is erect or not.)




⑥ Exercise for 10-20 minutes in that state, and pump again to maintain the pressure until the end of the exercise after a certain period of time has passed, and the pressure has decreased. While exercising, if you slightly contract your pelvic floor muscles like Kegel exercises to the point where no air can enter, and stimulate yourself by looking at pictures or videos, it can be more exciting and lead to maximum blood vessel dilation.




⑦ After the exercise, you can release the pressure on the penis by pressing the metal button on the rubber pump to release the air pressure.

2.Exercise Time I recommend you use less
than 10 minutes per a day. 
 There is a correlation between exercise time and the strength of vacuum pressure, so one way to resolve errors and exercise safely is to vary the time. All individuals have different skin and physical conditions, so, excessive vacuum pressure can lead to side effects. Occasionally, some people may not feel the desired effects if the vacuum pressure is too weak. However, you may feel weak vacuum pressure because the silicone safety cap is effectively protecting the penis, but the vacuum pressure of Power-Size is never weak, and increasing the pressure can lead to side effects. Therefore, to exercise safely, I recommend you start with 10 minutes of exercise and gradually increase the time by 5 minutes as long as there are no side effects, up to a maximum of 30 minutes. This approach can achieve the same effect as increasing the strength of the vacuum pressure. As the time is increased, you can feel that the blood is pooling in the glans, making it even harder. By exercising according to your own optimal time using this method, the effect can be even better. 
3. How to safely clean
silicone safety cap

If you hold the protective cap hole under the tap for 1 minute and let water flow through, the gel will naturally be rinsed out. If you want to clean it more, you can use soap and a soft toothbrush. 

Sterilization: Soak it in boiling water for about a minute. 
Caution: Do not fold or invert the wings of the silicone safety cap while washing it. It must be washed and stored in its original state to be used semi-permanently. 
※ The silicone used in the protective cap is made of silicone material approved by the US FDA. According to the quality assurance of the raw material manufacturer, the product can be used for about 36 years without deformation or stickiness, unless intentionally damaged by sharp objects or similar means. It can be used semi-permanently. 
※ Silicone has been authorized skin-contact safety certification [SKIN-SAFE (OECE-TG439)], making it safe for direct use on the skin. 
4. Cautions First  Medi-Power Size is an addictive exercise equipment that enhances vitality. Please, do not use it more than once a day.  Second  During exercise, I recommended you minimize movement of the penis to achieve maximum swelling and effectiveness. I advise only receiving sexual stimulation and minimizing movement. Second  If the vacuum pressure is too high or if you exercise for an extended period of time, those with weaker skin conditions may experience a stinging sensation, red spots, or blisters on the penis. When in pain, there may be tiny invisible wounds. If you experience any of these symptoms, I recommend you apply ointment such as Hushitin or Madecassol and use the product only after full recovery. If symptoms are severe, please seek medical advice and follow the prescription of a pharmacist or doctor before use. * For more cautions, please read an user manual.  
Selected for the Small and Medium Business Administration's Innovative Growth Type R&D Support Program! In Korea, there is a stereotype that sex is negative and unspoken, so it is not easily recognized. 
However, technology and effectiveness of MediSize have been evaluated as innovative in solving men's complexes and shaping Korea's sexual culture. I have been selected as an innovative growth type venture company. I will continue to develop and create innovative inventions to solve concerns of all men in the world by steady research and development activities. Thank you! MediSize. What is innovative growth type venture company? "A new evaluation process has been established that assesses not only a company's technological innovation and business growth, but also their efforts and sincerity in laying the foundation for these achievements. This evaluation process verifies the company's potential, which differs from traditional guarantee/loan types." 
MediSize use 100% medical-grade silicone (certified by the US. FDA and skin contact safety). Q.What is the difference between MediSize and other low-cost products? A.The difference is the silicone grade. Silicone grade, quality, and cost can vary greatly. All of MediSize use 100% medical-grade silicone registered with the FDA. Silicone used in adult products and household tools are generally low-cost and soft, and to make shaping easier, a lot of cheap silicone with stiffeners is used. However, over time, the stiffeners seep out, causing stickiness and reducing durability, making long-term use difficult. 

Q.What about the durability of the silicone used in MediSize? A. The durability is about 36 years semi-permanently, and unless sharp objects are used or intentionally damaged, the product won’t deform or be sticky. It can be used semi-permanently and is easy to clean and store as it does not deform even when soaked in boiling water or used with soap or detergent. 

Q. How to clean Medi-Size? A: You can sterilize them with soap, detergent, or boiling water. It can be used semi-permanently without becoming sticky or deformed even when soaked in detergent or boiled water for a long time. 

10-Minute Exercise! Growing Like Magic A World-Renowned Invention
Medi Power Size


A non-surgical method for penile enlargement that instantly enlarges the penile corpora cavernosa vessels, solving size, thickness, rigidity, erection, and premature ejaculation all at once. This is a globally recognized invention.
*Results may vary depending on physical condition and exercise method.

▼Watching the video will make it easy to understand.

This product has received domestic and international PCTs and patent applications have been made in major countries including the United States, Japan, and China. After obtaining the initial patent for the 'Corpora Cavernosa Enlargement Device' on February 6, 2012, research and development continued to produce a more effective product.

▲ Corpora Cavernosa Enlargement Device Patent Details

As a result, an improved 'Peripheral Vascular Expansion Device' patent was obtained on May 30, 2022, and international patent (PCT) applications have been completed. It is a product that has been used personally for over 15 years to minimize the side effects of existing penile enlargement pumps and maximize functionality and effects.

▲ Peripheral Vascular Expansion Device Patent Details

Medi Power Size is an exercise device that expands the penile corpora cavernosa vessels, designed ergonomically without side effects by accurately understanding the structure of the penis. As one ages, narrow vessels like alleyways are expanded into 4-lane or 8-lane roads, making them twice as big in an instant. At this time, a large amount of blood flows to the glans, activating even the capillaries evenly, enhancing the erection and rigidity like in youth. ※This product is a patent-applied product, and unauthorized reproduction or theft may result in civil and criminal liability.

The Principle of Power Size That Instantly Enlarges the Penis


Traditional vacuum enlargement pumps were made without understanding the structure of the penis, where the corpora cavernosa and the epidermis are separated. When vacuum pressure was applied, blood did not flow into the penis but instead flowed into the epidermis first, causing the epidermis of the penis to inflate like a balloon, leading to serious side effects, including erectile dysfunction.

However, Medi Power Size works differently. When vacuum pressure is applied, a silicone safety cap wraps around and presses the entire penis. It stretches along with the penis, preventing blood from entering the epidermis, and allowing blood to flow purely into the corpora cavernosa vessels. This fills and expands the corpora cavernosa vessels primarily and then, because the silicone safety cap is designed similarly to the inside of a female vagina, the penis receives sexual stimulation inside the cap, causing the body to spontaneously send another large amount of blood to the corpora cavernosa vessels.

This influx of a significant amount of blood into the corpora cavernosa vessels is safe due to the silicone safety cap, and this is the principle that allows the penis to grow like magic instantly without the side effects found in traditional products.

Additionally, because the maximum amount of blood is allowed to flow into the corpora cavernosa, it expands even the capillaries, enhancing erection and rigidity to the fullest. This phenomenon enables those who had difficulty achieving an erection to regain vitality in their penis, and they can experience the astonishing effect of immediate erection upon receiving sexual stimulation. It's a principle that allows for this remarkable result.

Understanding Existing
Products and Side Effects

01. Traditional Vacuum Constriction Device

The official name for pump-style penis enlargement devices is "Penile Arterial Blood Flow Charging Device," a tool that improves blood flow obstruction to the penis by using vacuum pressure to repeatedly contract and expand the corpora cavernosa tissues.

It is registered as a Vacuum Constriction Device (VCD) with the U.S. FDA (2004) and the local food and drug safety agency as one method of treating erectile dysfunction. Current VCDs can cause the penis to swell and double in volume and weight instantly, even after just one use. However, since these devices were made without an accurate understanding of the structure of the penis, they can cause severe side effects despite the enlargement effect.

02. Causes of Side Effects in Traditional Vacuum Constriction Devices

The penis has characteristics of having thin skin without a fatty subcutaneous layer, and the subcutaneous layer is loosely attached, providing good mobility and elasticity. This allows the skin to easily stretch during an erection.

If you pull the epidermis of the penis with your finger, you can confirm that it stretches more easily than other body parts. When vacuum pressure is applied to the penis, blood should flow into the corpora cavernosa, but because the body and epidermis of the penis are separated, blood flows only into the epidermis, causing it to expand.

This phenomenon is why traditional vacuum constriction devices cause severe side effects. Some products (like water-filled pumps) were developed to avoid these side effects by replacing air pressure with water. These devices fill a vacuum tube with water and the penis, seal it, then discharge the water to create a vacuum (hydrostatic) inside. However, since the basic operating principle is similar to air pressure vacuum pumps, similar side effects can occur.

03. Symptoms of Side Effects in Existing Products

Even applying vacuum pressure to the penis for only 5-10 minutes with existing enlargement pumps can lead to severe side effects. This phenomenon occurs because the penis is softer and more fragile than other skin tissues.

Typical side effects include the epidermis swelling and turning red or dark purple. Blisters may also form on the glans, and in severe cases, symptoms of erectile dysfunction may occur. Despite the structural characteristics of the penis that require an accurate understanding to eliminate side effects, merely substituting air with water maintains a similar principle, leading to the same side effects.

PowerSize


PowerSize has derived the optimal size for plastic vacuum tubes and protective caps over a period of more than 15 years through direct use and collected data. After countless research and development over such an extended period, we were able to create the perfect product without any side effects.

Key Technology of PowerSize 01

Silicone Safety Protective Cap


The silicone safety protective cap is designed scientifically. To safely exercise the soft and sensitive penis, the inner part is made of soft silicone, and the outer part is slightly harder silicone in a double-layered structure to see the maximum function and effect without any side effects.

The need for a double-layered structure is when powerful vacuum pressure is applied, the silicone may cause wounds or discomfort to the sensitive and fragile penis if it's too hard.

The protective cap is designed with water droplet-shaped embossing patterns and circular protrusions to simulate the sensation of being inserted into a woman's vagina, aiming to achieve natural erection through sexual stimulation and maximize the effect of pressure pump exercise while minimizing side effects. The double-layered structure cannot be produced automatically and is carefully crafted by hand, one by one, like pottery.

Without Silicone Safety Protective Cap

The epidermis of the penis is a highly stretchable structure. By pulling the skin, you can see it stretches easily. The epidermis and body of the penis are separated, and side effects occur between them. Traditional enlargement pumps draw blood only into the epidermis since the body and skin are separate, causing the skin to swell. This phenomenon leads to severe side effects.

With Silicone Safety Protective Cap

Wearing the protective cap and applying vacuum pressure makes the protective cap stretch along, encompassing and compressing the entire penis. Therefore, the epidermis does not stretch, and the blood flows purely into the corpus cavernosum, allowing the glans and corpus cavernosum to expand together, safely enlarging the penis without side effects.

Key Technology of PowerSize 02

Plastic Vacuum Tube

After wearing PowerSize and applying maximum vacuum pressure, the silicone safety protective cap fits tightly to the size of the plastic vacuum tube. At this moment, the corpus cavernosum enlarges by the gap between the protective cap and vacuum tube.

As there's a limit to the expansion of the corpus cavernosum, if the vacuum tube is too small, the gap with the protective cap will be narrow, reducing the effect. Conversely, if the vacuum tube is too large, it may overload the corpus cavernosum and cause side effects.

PowerSize
10 Principles & Effects & Features


01. Amazing Erection and Rigidity Enhancement

With 10 minutes of daily exercise using PowerSize, your narrow blood vessels will expand like a 4-lane to 8-lane highway. The activation reaches even the micro-vessels, returning your erection and rigidity to youthful vigor.

02. Principle of Lengthening the Penis

By exercising with PowerSize, the root of the penis experiences a strong physical force due to vacuum pressure, drawing out the hidden length, resulting in a longer penis.

03. Principle of Increasing Girth and Glans Size

진공압력으로 음경에 해면체 주머니를 1차적으로 크게 확장 시켜 줍니다. 2차로 실리콘 안전 보호캡에 의해 음경이 성적 자극을 받아 내 몸에서 자발적으로 또 다시 해면체로 혈액을 밀어주어 음경의 굵기와 귀두의 크기가 커지게 되는 원리입니다.

04. Real-life Exercise Device, PowerSize

10 minutes of PowerSize exercise doubles the weight and volume of the penis, enhancing erection and rigidity like in your youth. You can engage in a satisfying relationship with your partner anytime, anywhere, with your enlarged penis.

05. Effective Relief for Premature Ejaculation and Hypersensitivity

10 minutes of PowerSize exercise ensures uniform blood flow to the glans, desensitizing premature ejaculation and activating cellular sensation for hypersensitivity, controlling both appropriately.

06. Becoming a Confident Man

Even if you have a small penis or suffer from erectile dysfunction, PowerSize physically expands your corpora cavernosa and micro-vessels. You can be reborn as a confident man without dependence on medications or health food.

07. Permanent Penis Enlargement Principle

Regular exercises with PowerSize gradually stretch and divide the corpora cavernosa vascular cells. Long-term exercise can result in permanent enlargement.

08. Unprecedented Joy and Happiness

The silicone safety cap offers a soft sensation like the interior of a woman's vagina, providing an unparalleled joyful experience. It makes the exercise itself enjoyable without any pain. It's an addictive lifelong exercise tool.

09. Natural Foreskin Recovery Without Surgery

When the foreskin covering the glans passes through the narrow hole of the silicone safety cap, it is bent, exposing the glans to vacuum pressure. Repeated exercises in this way naturally result in a natural foreskin recovery.

10. Your Secret and Private Exercise

PowerSize allows for short-time exercises, suitable for your private spaces like your car, study, or bathroom. The 007 secret steel suitcase with a number lock ensures secure storage without anyone knowing.

Medi Power Size
Usage & Exercise Time

1.How to use.

 ① Connect the vacuum pump and the plastic vacuum tube with the pump line.

 ② Combine the silicone safety cap and the plastic vacuum tube.

 ③ Pump the water-based gel into the entrance of the silicone safety cap 4-6 times, and also apply and spread it on the entrance with your finger.

 ④ Evenly apply the water-based gel to the penis for easy insertion into the silicone safety cap.

 ⑤ Place the glans at the entrance of the silicone safety cap and pump as much as possible with the vacuum pump until it won’t pump anymore. (The penis will be sucked in whether it is erect or not.)

 ⑥ Keep the pressure for 10-20 minutes. If the pressure decreases over time, pump again to maintain it until the exercise ends. Watching stimulating photos or videos as if you are doing Kegel exercises helps you not feel bored, and your blood vessels expand to their maximum, making the effects even better.

 ⑦ After exercising, press the metal button on the rubber pump to release the pressure while twisting the vacuum tube to remove the penis more easily.


2. Exercise Time
It is recommended to use for about 10 minutes a day.

Since there's a relationship between exercise time and vacuum pressure intensity, the ideal approach is to vary the time according to one's individual skin and physical condition. The vacuum pressure is never weak, although some may feel it is; increasing it may cause side effects. If the basic 10-minute exercise does not show side effects, you can increase by 5 minutes and gradually build up to 30 minutes. The glans will feel more solid as you increase time, customizing the ideal time for your needs.

3. Silicone Safety Cap Cleaning Method

To wash out the gel, hold the cap under a running tap for 1 minute. For thorough cleaning, use detergent and a soft toothbrush.

  • Sterilization
    Soak in boiling water for about 1 minute.
  • Note
    Do not fold or invert the silicone safety cap's wing part for cleaning. Keep it as is for semi-permanent use.

※ The silicone in the protective cap is made from FDA-approved materials and can be used for up to 36 years without deformation or stickiness, provided it is not intentionally damaged.

※ The silicone has skin contact safety certification [SKIN-SAFE(OECE-TG439)], so it's safe for direct skin use.

4. Precautions

  • 01.
    Medi Power Size is an addictive, robust exercise device. Do not use more than once a day.
  • 02.
    Minimize movement during exercise for the best effect. Too much movement or excessive pressure may cause red spots or blisters, especially if your skin is sensitive. If this happens, use ointments like Fusidin or Madecassol, and see a pharmacist or doctor if symptoms are severe.
  • 03.
    Please refer to the manual for more detailed precautions.

★ Pro Tip! ★

Experience Pleasurable Sensation Beyond Words. 

Power Size is a 'real-use exercise device.'


It aims not only for function and effect but also safety, with various methods depending on usage skills. After exercising, the penis reaches its maximum size and becomes rigid as a log. When the glans become swollen like a bursting mushroom, and you engage with your partner,

♡ You will experience a pleasurable sensation you cannot feel in a natural state. ♡

Exercise is the Cure-all!

In modern society, due to various reasons such as environmental pollution, contamination, lack of exercise, not only the elderly but also the younger generations tend to experience a decrease in physical strength and libido. This situation accompanies phenomena like a reduction in sperm count, penile size, and vascular contraction, and particularly in our country, these phenomena are pointed out as one of the causes of population decline. As we enter an aging society, people have become more interested in living a healthy and joyful life, and have begun to consistently enjoy various exercises such as fitness, hiking, jogging, swimming, etc. Such exercise is recognized as an essential element to maintain a healthy life.

Among these, sexual life is considered one of the basic human needs and goes beyond the role of species preservation and is regarded as a part of daily life that keeps the body and mind healthy. Penile size and erection strength play a significant role in sexual life, maintaining men's confidence and vitality.

Through this, people can enjoy their sexual lives with confidence, and instead of resigning themselves to aging and perceiving reduced penile size and vigor as congenital, they can actively respond depending on individual choice.

A Choice for

Confident Men

Whether you maintain a vibrant life with confidence in penile size and male strength, or lose confidence in sexual life with aging, considering penile size and weak male strength as congenital and resigning yourself to it, is your choice. If you simply worry and do nothing, no change will come. Now, you don't have to worry about having a small penis or feeling insecure in bed with your spouse.

Medi Size offers two innovative exercise devices. If you use them and exercise consistently following the manual, you can overcome all problems. If the men in our country use these two exercise devices provided by Medi Size, they can turn their lives around 180 degrees. Through this, you can become a confident man standing tall and not being discouraged in countries around the world.


This is the Dream That Medi Size Pursues


Inventor of Medi Size

Kim Kwang-seok