Cock Ring X3 Set of 3 Graduated Rings. Small 1.5 inches, diameter 4.7 inches girth. Medium: 1.75 inches diameter, 5.5 inches girth. Large 2 inches diameter, 6.3 inches girth. 3 Sizes to ensure correct fit. Made of super strong and stretchy. Soft and slippery when lubricated. May be worn around cock, balls or both. Nontoxic. Odorless. Phthalate Free PVC Free, Latex Free. Thermoplastic Elastomers TPE.