DUO rings are a hünkyjunk original--nobody`s done this before! We made a chain-link style set of interlocked rings for guys that like double grip around their junk for extra hunkier junk! These super-rubbery silicone blend rings are smooth and soft when used as a double c-ring without being too tight. We made em feel right! Or...flip one ring down to grip your ballsack...it`s all connected so any movement transmits to your ballsack. DUO is pure hünkyjunk, its Hüj! Our plus+silicone TPR/silicone blend: silicone for a smooth and warm feel, TPR for amazing stretch and strength. Phthalate free. Dimensions: Ring 1 Width: 2.25 in. Height: 2.25 in. Depth: .5 in. Outer Circumference: 6.75 in. Inner Circumference: 3.75 in. Ring 2 Width: 2.5 in. Height: 2.5 in. Depth: .5 in. Outer Circumference: 7.5 in. Inner Circumference: 4.5 in.