Features: 3 piece set. Phthalate free. Latex free. Materials Silicone. Dimensions: small cock ring 1.875 inches, medium cock ring 2 inches large cock ring 2.25 inches diameter. Weight small cock ring .32 oz, medium cock ring: .35 oz, large .39 oz. Care clean with soap and warm water or toy cleaner. Top rack dishwasher safe. Boil for 3 minutes to sterilize. Use only with water based lubricants.