The brand new product has a timeless design. Sport Fucker took a classic Bullring-Piercing, enlarged it, and cast it in firm silicone. This Bullring has characteristics of both metals and of stretchable cock-rings. The Bullring has the rigidity of metal but is bendable to move with the body like a stretchable cockring. Material: Extra-firm Silicone. Product Dimensions: 1.85 inches / 48mm diameter.