Hunkyjunk Fit Ergo C-Ring from Oxballs. HUJ c-ring is our favorite grippy ring you will want to use and use often, just the right size, it is the perfect cock 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. Hunkyjunk 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 will not roll, snag or pinch. Hunkyjunk toys are made of plus + silicone, a durable blend of Thermoplastic Rubber TPR for strength and 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 Huj be Huj. Our plus + silicone Thermoplastic Rubber TPR, silicone blend. Silicone for a smooth and warm feel, TPR for amazing stretch and strength. Phthalate free. Stats approximate width 2 inches, height 2 inches, depth .75 inch, outer circumference 6 inches, inner circumference 3 inches. Bulk weight .7 ounce. Color Cobalt Blue.