Get maximum results with minimal effort with the Quick Draw Vacuum Pump. Once you place your penis in the high quality ABS cylinder, the pistol grip pump creates a super strong vacuum with just a few pumps The cylinder is connected to the pump via a flexible, non-crimp hose. When your done, you can push the quick release valve. This kit also comes with two added bonuses: (1) Removable Snug Latex Sleeve and (1) Stretchy Erection Enhancer with Finger Grips Cylinder Measurements: 9 inches in length(inside) and 2.125 inches in diameter(opening).