Maxx Gear Vibrating Penis Extender Clear Extension feature powerful vibrations. Adds girth and length. Waterproof vibrations. Made using body safe materials, phthalates free, RoHS compliant. Sleeve extension Thermoplastic Rubber TPR, Bullet vibrator ABS plastic with Polyurethane PU coating. Size sleeve total length 6.3 inches, insertable length 3.875 inches, shaft diameter 1.375 inches. Bullet vibrator requires 1 1.5V N battery, included. UPC number 782631273113.