Better than Real "REALSKIN". extender. Vibrating on the tip with removable bullet, Adds 3 inches to length,30% extra girth. Trim extension to desired length. Waterproof. Phthalates free Material: Sleeve - TPE, Bullet - ABS Length: Sleeve Length - 6.375", Diameter - 1.5325", Bullet - .6825" x 2.25" 3 LR44(AG13) batteries included