Feature:1. Safe Material: The vacuum pump trainer is made of safe material, skin friendly, not causing damage to your skin, providing safe and convenient use experience.2. Ergonomic Handle: The handle of the enlarger trainer is designed to fit your finger width so you can easily hook the handle and adjust the air pressure.3. Transparent Sleeve: The vacuum extend pump trainer is equipped with a transparent sleeve, convenient to observe the training effect, convenietn for use.4. Removable Design: The air vacuum pump trainer can be conveniently removed and cleaned, just remove the vacuum pump tube and clean it.5. Effective Use: The erection trainer device can produce vacuum suction to accelerate blood circulation, can help realize better training effect after a period of time.Specification:Itenm Type: Men Vacuum Pump Trainer.Package List:1 x Sleeve CUp1 x Pump1 x Air Tube3 x Silicone Ring