Pocket Exotics Waterproof Silver Bullet Vibrator. Your favorite power pack is now waterproof! 2 intense speeds of vibration. Easy push button control. Ergonomic controller. Materials: ABS plastic controller, Silicone button, ABS plastic with silver plating bullet vibrator. Vibrator requires 2 AA batteries, not included. Bulk weight 2.5 ounces. 2.25 inches by 1 inches