Universal Silicone Pump Sleeve Clear. Soft and stretchy sleeve fits pump cylinders up to 3 inches in diameter. Pure Silicone. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Silicone. Sleeve measures 2.25 inches long by 2.5 inches wide. Bulk weight .80 ounce. Category: For Men, Pumps, Non-Vibrating, Vibrating. Universal Silicone Pump Sleeve is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness. 16.