waterproof trembling device for double penetration daydeals bendie power stud over and under double penetration purple vibrator. soft, power-packed stud flexes and bends for multi-directional positioning. 3 intense speeds. dual motors. easy to operate. push button control. waterproof for play in and out of the bedroom. made using safe and pure phthalate free materials: pvc shafts vibrator, abs plastic and abs plastic with polyurethane pu cote cap, abs plastic with silver plating decoration. vibrating dildo requires 2 aa batteries, not included. 8.9 ounces. 5.5 inches by 1.75 inches large shaft. 3.5 inches by 1 inch small shaft.