The Passion Ring From Doc Johnson is a fan-favorite shape made from silicone with an ultra-smooth and soft finish. It's durable, unscented, and can stretch while retaining its original shape. Rock Solid cock rings enhance size and thickness for longer, harder erections, and are completely body-safe. Soft, Stretchable Silicone Delays Ejaculation and Prolongs Erection Enhances Size and Thickness Hypoallergenic, Nonporous, and Odorless Easy to Clean, Top Rack Dishwasher-Safe Phthalate-Free, Body-Safe