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 (dcor). 2 AA batteries. 7 x 1.5/17.75 cm x 3.75 cm.