Soft C-rings have a broad ring surface, for comfort and straightforward use. The soft silicone material stretches making it easy to pull open and slide onto your body. A c-ring holds the testicles down and keeps the testes from contracting thus slowing down ejaculation. It can be used either as an erectile function application or for edging. Always made with 100% Tantus Ultra Premium silicone, making it sit gently on your body and give you peace of mind. COMFORTABLE & SAFE: These Super Soft silicone c-rings from Tantus are broad for comfort and safety. A c-ring holds the testicles down and keeps the testes from contracting thus slowing down ejaculation. The constriction takes orgasm from about 6 seconds to up to 45 seconds. SIZE MATTERS: Unstretched Diameter: 1.5", Stretched Diameter: 4.75" GREAT for BEGINNERS: The Super Soft Ring is stretchier than the standard Tantus C-rings, so it is easier to put on. Great for beginners, too. Last but certainly not least: you don''t have to put it on before an erection occurs; the silicone is stretchy enough you can put it on anytime. SAFE FOR YOUR BODY: Made from Tantus'' own unique formula of 100% Ultra-Premium Silicone. Not recommended with Silicone Lube. EASY TO CLEAN: Hypoallergenic, Hygienic, Boilable, Bleachable and Dishwasher Safe.