This set of cock rings can be used individually to enhance an erection for pleasurable penetration, as well as mixed and matched for even more intense cock and ball stimulation.

These rings also provide external stimulation for the partner on the receiving end of the penetration.

Experience ultimate strength and stretching power with the Blue Line 2 Pack Ultra Stretch Stamina Endurance Ring! Built with ultra-stretch technology, this two-pack of rings takes your workout to the next level, and gives you the edge to push past end-of-session fatigue. You won't know your limits until you test them with the BLUE LINE Rings!