The super soft Thermoplastic Rubber TPR pleasure sleeve wraps tightly around you, creating a super-strong vacuum that produces maximum results. With each pull of the EZ-Grip pump trigger, the pump creates blowjob-like suction and delivers rock-hard erections that last. Once you penetrate the smooth, flexible PVC opening, you feel great with no midway performance letdowns.The soft PVC forms a perfectly tight seal against the skin and creates a powerful vacuum inside the chamber, forcing your erection to quickly expand its length and girth. The clear vacuum tube allows you to watch, while the smooth non-slip grip offers comfortable handling. T Press the quick-release button to instantly relieve pressure.