Waterproof Power Stud Curvy Dong from Cal Exotics. 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. Phthalate-Free PVC (vibrator) ABS/ABS with PU Cote (cap) ABS with Silver Plating (decor). 2 AA batteries. 6.75" x 2"/17.25 cm x 5 cm.