The Silicone Gasket is a thin, circle cock ring made from health-grade silicone and designed to fit perfectly and enhance your size and thickness. This Large size is top-rack dishwasher safe and completely phthalate-free and body-safe. Soft and Stretchable Delays Ejaculation and Prolongs Erection Enhances Size and Thickness Easy to Clean Top Rack Dishwasher-Safe Hypoallergenic, Nonporous, and Odorless Phthalate-Free, Body-Safe