DUO rings are a hunkyjunk original--nobody*s done this before! We made a chain-link style set of interlocked rings designed to wrap around your cock/balls. for *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 from the base of your shaft to your ballsack. Hunkyjunk*s goal is to innovate*cool toys that fit and feel amazing--DUO is pure hunkyjunk. its Huj! FEATURES: Hunkyjunk innovation for DUO: each ring is a different size. you can stretch and fit so many ways. Our plus silicone* TPR/silicone blend feels smooth and warm*velvety like silicone strong and stretchy like TPR. 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: RING #1: Width: 2.25* Height: 2.25* Depth: .5* Outer circumference: 6.75* Inner Circumference: 3.75* RING #2: Width: 2.5* Height: 2.5* Depth: .5* Outer circumference: 7.5* Inner Circumference: 4.5*