Performance VS4 Pure Premium Silicone Cock Ring Set Black 3 Pack 3 Sizes Rings. Perform like a porn star with our pure premium silicone cock rings from Performance, a brand you can trust. Stay harder and longer with these male enhancement rings that are a blend of taut and stretchy. It can be stretched up to twice its original diameter. With 3 sizes to choose from for the perfect fit, wear 1 to increase your sexual stamina or wear multiple cock rings around both your cock and balls. Features: strong. High tensile strength Silicone resists snapping. Comfortable. Just the right blend of taut and stretch for a comfortable yet effective fit. Choose the size that fits you best. Easy to use. Just stretch and slip over your cock or you can roll it on or off. Peace of mind. Made of body safe Silicone. Contains no synthetic fragrance, phthalate or latex. It meets or exceeds International Product Safety Standards. As always do not use products made of a soft plastic with Silicone based lubricants or petroleum based products such as baby oil or Vaseline. It will degrade the Silicone. 3 sizes of rings: 1.25 inches, 1.75 inches, 2 inches. Will stretch to a little over twice its original diameter.