THE RADIAL: Our hip roadster model will leave you riding high in a phthalate-free Super Elastique 3000 elastomer. Super Elastique 3000 stretch-to-fit is very durable, provides a great fit, and helps maintain extra hard erections. Rock Solid cock rings combine quality and comfort for your best performance. This erection ring comes in colors black and clear. The Radial cock ring: tread shape and hip look. compatible with silicone personal lubricants, easy to clean with soap and water