HUJ c-ring is our favorite grippy ring you will want to use and use often--just the right size it's the perfect c-ring or ball-ring that stretches to fit all size guys...it can be layered for a tighter fit or some guys stack them for gradual ball-stretching.Hünkyjunk innovates even in this simple design HUJ c-ring has a groove inside the ring that flattens out when worn this keeps the ring in place and keeps a bit of lube between the ring and you for comfort. HUJ c-ring has a flatter inner opening so it won't roll snag or pinch.Hünkyjunk toys are made of plus+silicone™ a durable blend of TPR for strength & soft silicone for a smooth warm feel. Wash in warm soapy water--air dry store separately.HUJ c-ring is strong stretchy and tough it fits and feels good on--it embodies our motto: Play big play Hüj?be Hüj.