Oxballs Ringer Cock-Rings - 3 PackThe silicone on these rings is thick and has real stretch to it. Each one pulls out to three or four times its resting size, which makes fitting straightforward, and the material returns to shape cleanly after use. This Ringer set includes three rings so there is some room to experiment. Worn individually the fit is snug and secure. Stack two or three together and the pressure increases noticeably, which suits those who prefer a tighter feel around