This three piece cock ring set has 3 different sizes of stretchy, rounded and comfortable rings to keep you at your best for longer. Remember that lots of lube can make most toy experiences much more pleasurable, use a rubber compatible lube (water based) with these cock rings. This set offers enhanced size and girth with three rings in 40mm, 45mm, and 50mm diameters. These rings are ultra-stretchable for easy use around the shaft or testicles, maintaining those long-lasting erections you have always dreamed of, and prolonging your ejaculation.