Optimum Series Universal Pump Sleeve from California Exotic Novelties. Your pleasure pumping experience will be more luxurious than ever before with the Universal Pump Sleeve. This soft and incredibly comfortable 1.5 inches long by 3 inches wide donut cushions you with soft and stretchy Thermoplastic Rubber TPR, a material that is made to please. Pumping works by creating an airtight seal around the base of your tool and, using suction, increases pressure and blood flow. This results in immediate harder results and encourages your manhood to expand in both length and girth. The Universal Pump Sleeve fits over the base of your Pump’s Cylinder to create a more enjoyable and relaxed pumping experience. Slip this wonderfully soft Donut around the entry of your favorite pleasure Enhancement Pump for a pumping experience that is more pleasurable than ever. Uncomfortably firm suction is a thing of the past with this Pump Sleeve! Treat yourself to an extraordinarily smooth Pumping session with our Pump Sleeves! The donut is stretchy and durable enough to fit most Penis Pumps for added pleasure. It is body safe and flexible to suit your Pumping needs. Enjoy your most comfortable and pleasurable pumping session yet with the versatile Pump Sleeve! Sleeve stretches to fit most penis pumps up to 3.25 inches. Stretchy Penis Pump accessory. Safe and pure for body and please. Made using phthalate free, non-toxic materials Thermoplastic Rubber TPR. Sleeve measures 1.5 inches long by 3 inches wide. Bulk weight 3.2 ounces.