Specifications Color Black. Materials Thermoplastic Elastomer TPE. Features Phthalate Free, Waterproof. 1 year warranty. Measurements 2.75 inches by 2 inches ring overall. 2 inches scrotum ring diameter. 1.5 inches shaft ring diameter. Bulk weight 0.6 ounce. Package 1.3 ounces. Package 1.25 inches by 3.25 inches by 5.75 inches.