The Screaming O Ofinity double erection ring gives men an (almost) eternal erection having a unique isolation design that constricts bloodstream flow for concentrated erection enhancement that lasts. The very best ring stretches round the shaft as the bottom ring stretches round the testicles, each having a snug and tight fit that keeps erections tougher for longer. Ideal for cock ring fans who don't want the additional experience of vibration. Features stretchy double ring that lasts which last. Unique isolation the perception of the best erection. Elasto-stretch rings accommodate just about any size member! More information: multiple-use. SEBS Silicone. Latex free. Phthalate free. Wireless vibrating cock ring. Waterproof vibrations