COG rubbery c-rings are 1 small 1 large rings. The big COG is designed for guys that like a heftier super-stretchy c-ring. the smaller COG for a tighter fit. or wear it on your ballsack*hunkyjunk likes to offer more options for all kinds of play. Each pack has 2 different color rings. both with knurled grip surface texture that looks cool and feels amazing*at hunkyjunk we love the details! FEATURES: Hunkyjunk innovation for COG: a groove inside the ring that holds a bit of lube for comfortable wear and a inner ring that flattens as COG stretches so the toy stays where you want it*it will not roll or pinch. Our plus silicone* TPR/silicone blend feels smooth and warm*velvety like silicone strong and stretchy like TPR. COLORS: tar/stone cobalt/tar MATERIAL AND CARE: Our plus silicone* TPR/silicone blend: silicone for a smooth and warm feel. TPR for amazing stretch and strength. Phthalate free. MEASUREMENTS: TOY DIMENSIONS: SMALL RING Width: 2* Height: 2* Depth: .5* Outer circumference: 6* Inner Circumference: 2.75* LARGE RING Width: 2.25* Height: 2.25* Depth: .75* Outer circumference: 6.75* Inner Circumference: 3.25*