Stretching smoothly over shaft and testicles, the constriction helps with erection strength and stamina. For many men, the pressure can delay ejaculation, resulting in a longer, more satisfying performance. cleans easily and thoroughly using simple soapy water or a good toy care fluid/foam. If using a lube in combination, choose a great quality water based lube. Material Silicone. Point of purchase box with 12 count black Ringo Pro XXL c-ring with ball sling.