Male Penis Pump Portable Vacuum Pump Penis Extender Cock Enlargement Glans Train Erection Helper Delay Ejaculation Sex Toys ❤ Our vacuum erection system is currently the most modern technology available in vacuum therapy! The vacuum erection device works by using negative pressure and is maintained by a tight fitting tension system to maintain erection until removed. Our erectile dysfunction vacuum system is effective and meets FDA standards, suitable for over-the-counter erectile dysfunction vacuum pump devices. The cylinder is 1.75 inches wide and 8.75 inches long. Each of our kits comes with a one-year limited warranty for the cylinder. Due to the nature of this product, it cannot be returned or refunded. ❤ Our easy-to-use integrated vacuum erection device works through negative pressure, and then uses a tension ring to maintain negative pressure. With our erectile dysfunction pump, you can achieve an erection in 60 seconds, keeping you ready at any time. ❤ Our standard vacuum pump kit includes one device, one two ounce bottle of lubricant, and five tension rings. ❤ Our erectile dysfunction pump does not require a prescription and has been proven to create and maintain 96% of male erections, regardless of the cause. Feedback: If you encounter any problems when purchasing or receiving the product, please contact us first and we will solve them for you. Your satisfaction is our greatest goal, and we will continue to provide high-quality products and services as always. Your support is very important to us, please don't forget to leave us a five-star feedback.