My Penis Extension 2 from Nasstoys is easy to use. Just roll it on like a condom. Adds 2 inches of length. Increases girth. Product stretches to fit over most size penis. Waterproof, non-vibrating penis extension. Phthalates free material Thermoplastic Elastomers TPE. Total length 5.5 inches, tip diameter 1.4375 inches, shaft diameter 1.25 inches.