Penis Pump Vacuum Enlargement Trainer 3 Sleeves Silicone Male Enhancement Stamina Exercise Reusable Adult Sex Toy With Gauge Restore your confidence, self-esteem and improve your relationships. The pump uses air to increase the size of your penis. The cylinder is a soft rubber sleeve. Simply place these sleeves over your penis then pump steadily by hand. When the bulb is pumped, air is pulled from the cylinder, creating a vacuum. This vacuum helps draw more blood into the penis, strengthening the tissue and causing an erection. The vacuum expands the tissue and results in an increase in penis size. Easy application you can use in your own home or a private area. All-natural: No medicine, injections or surgery. Enhance your masculinity easily, quickly and painlessly. Clear room with measurements so you can see the results. Easy push button purge valve. Size: 200mm