The Optimum Maximum Results Pump will bring you maximum pleasure and optimum results. This advanced pleasure system features a superior pump handle and can accommodate sizes up to 9 inches in length. With a cylinder width of 2.25 inches and an air-tight suction for proper pumping, you’ll reach new heights in both size and pleasure. To begin pumping, simply insert the shaft into the smoke-colored cylinder until the flanged base is sitting flat against the body. Then press the master grip pull handle to pull air out of the tank and engorge the shaft. Once finished, easily cut off the pressure by turning the quick release purge valve and removing the pump. This intuitive penis pump is lightweight, durable and perfectly designed for pumping beginners. The Optimum Maximum Results Pump also comes with a stretchy silicone sleeve that can be placed on the base to make your pumping session more comfortable.