STUDCOLLAR-NITRILE-ULTIMATES is a pack of TWO super strong as steel nitrile rubber rings AND you choose the size down to a 'mm'. Simply choose any ID size from 19mm to 60mm and we will send you two rings of the same size. They are flexible but they have almost no stretch' so they offer the same strength as a metal ring.

Category: RUBBER COCK RINGS → NITRILE STRONG BLACK RINGS