Feature:1. Pneumatic Design: Men increase size vacuum pump adopts pneumatic design to generate vacuum suction to accelerate blood recirculation.2. Increase Endurance and Durability: Training with this vacuum pump increases muscular endurance, which contributes to recovery.3. Safe and Reliable: Men size enlargement pump is professionally designed and made of high grade materials, it has excellent safety and reliability.4. Stable Performance: The men vacuum pump enlargement has a lifelike appearance and a bulging interior for multiple stimulation during use.5. Easy Installation: The increase size male vacuum pump kit is designed to be easy to install, so you can easily and quickly install it.Specification:Item Type: Men Enlargement PumpMaterial: ABS.Package List:1 x Pulling Tube1 x Pipe