Detailed description High quality and safe ABS, PVC and silicone material are soft, smooth, non-toxic and odorless. Increases blood flow and expands the blood vessels which over time can increase size of penis. Penis sleeve will help your practice achieve the best results and maximum effect. Just a key to release the valve, suitable for anyone who wants to exercise the penis. Safe and effective, ideal for penis enlargement and extender. Item type: Penis Enlargement Vacuum Pump Penis Pump Size: Diameter: 6.2cm/2.4inch, Length: 22cm/9inch Hose Length: 54.5cm/21.5inch Function: Penis Enlargement and Extender Material: Medical Silicone + Medical PVC + Medical ABS Package includes: One 1 * Penis Enlargement Vacuum Pump 3 * Penis Sleeves Two 1*Penis Enlargement Vacuum Pump 3 * Penis SleevesTwo 1*Vagina sleeve