The Ofinity double erection ring gives men an (almost) eternal erection with a unique isolation design that constricts blood flow for concentrated erection enhancement that lasts. The top ring stretches around the shaft while the bottom ring stretches around the testicles, each with a snug and tight fit that keeps erections harder for longer. Perfect for cock ring fans who don`t want the added sensation of vibration. - Reusable - SEBS - Latex- and phthalate-free - Wireless - Waterproof