LeLuv Ultima Penis Vacuum Pump & 4 Sizes of Constriction Rings. This feature-rich Penis Vacuum Pump from LeLuv is the perfect blend of craftsmanship, power and durability. The Ultima Handle has been upgraded with ergonomically-shaped silicone grips that make the powerful handle comfortable to use. The 3mm-thick clear, seamless, untapered cylinder is graduated in both inches and centimeters up the side. This LeLuv Pump Kit includea 18 inches of our premium, uncollapable, smooth silicone hose that matches the upgraded ergonomic grips, and our specially-designed Quick-Disconnect Fittings to offer trouble-free pumping sessions. You can even disconnect the hose from the cylinder and it will maintain vacuum!Vibrating Strap & Bullet: The included multi-speed vibrating bullet provides addition functionality to your routine.Constriction Rings: We include a set of 4 rings in different sizes, choose the size that isn't too tight but offers good constriction. Place over the shaft of the penis using the handles. Once the ring is in place, continue using your pump as directed.