Power Stud. Traditional designs with a contemporary flair. Body safe, push button 3 speed controller, 100% waterproof. Soft and flexible vibrators. 3 speed. Power packed. Push button control. PVC shaft, ABS plastic, ABS plastic with polyurethane PU Cote cap, ABS plastic with Silver Plating decor. Vibrator requires 2 AA batteries, not included. 6.75 inches by 2 inches.