This set of 3 different sized silicone cock rings is perfect for making the most out of your erection while also enhancing it. By regulating blood flow. you can experience more girth. more length. more hardness. and longer lasting erections! Made of body safe premium silicone. these rings are hypoallergenic and easily sterilized. The thickness of the bands and high quality material assure their durability. Each ring is soft to the touch yet rigid enough to provide tension. making any erection last and last.