Endorsed by Dr. Joel Kaplan. Pump Erection Enhancer is available in two colors: Clear and Ivory. Each sold separately. Stretchy, two-handled erection ring designed specifically for use with an erection pump. Fits securely on the base of the pump and simply slips over the penis when erect. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Silicone. Penis pump accessory measures 3.75 inches long by 1.5 inches wide. Bulk weight 0.3 ounce. A water based personal lubricant is recommended. Category: For Men, Rings & Sleeves, Rings. Dr. Joel Kaplan Pump Erection Enhancer is a registered trademark for California Exotic Novelties. Sex Toys and Sexual Wellness. Made in the USA.