Atomic Jock Do-Nut 2 Cock Ring TPR Red from Oxballs. Super stretchy and tough, but firm and feels great on. Compatible with most lubes, oil based not recommended. Care: wash with warm soapy water and air dry, store separately. Made using body safe phthalate free materials Thermoplastic Rubber TPR. No PVC or Vinyl. Restricted, Amazon fully Restricted.