Shop › Biothane Collar (Red) Image 1 of 1 Biothane Collar (Red) $50.00 Red Biothane (Heavy)Stainless Steel HardwareCopper Rivets16”-20” (measured pin to holes) Add To Cart Added! Red Biothane (Heavy)Stainless Steel HardwareCopper Rivets16”-20” (measured pin to holes)