The penis pump is specifically designed for men looking to get a very hard and big erection in only few seconds. Each pull on the trigger will grow your penis to make it more impressive, harder and thicker. The transparent tube allows you to see in real time your penis grow and become harder than ever! Which can also be very exciting for your partner. To release the pressure, you simply have to press on the quick release button. This penis pump is ideal to use before sexual intercourse to get quickly a very strong and very hard erection for optimal sexual performance!-Penis Pump, PC/ABS/TPR cylinder, extra sleeves