The Natural Realskin Vibrating Penis Extender adds 3 inches to length and 30% extra girth to the erect penis. There is a vibrating bullet at the tip of the head to give added stimulation to both partners. <br><br> • Adds 3 inches to length <br> • 30% Xtra girth <br> • Vibrating <br> • Waterproof <br> • Phthalates free <br> • RoHS compliant <br> • Materials: sleeve TPE, bullet vibe ABS <br> • Uses 1 LR 44 (AG13)