Roll it on like a condom. Adds 2 inches of length. Increases girth. Product stretches to fit over most penises. Waterproof, non-vibrating penis extension. <br /><br />Phthalates free, body safe material Thermoplastic Elastomers TPE. Total length 5.5 inches, tip diameter 1.5625 inches, shaft diameter 1.3125 inches. From Nasstoys of New York.