3-pack of our most popular c-ring. Designed with flatter inner opening, this keeps the ring from rolling so it won't snag or pinch HUJ c-ring has a groove inside the ring that flattens out when worn, this keeps the ring in place and keeps a bit of lube between the ring and the wearer for comfort. Our plus+silicone TPR/silicone blend feels smooth and warm...velvety like silicone + strong and stretchy like TPR.