Power Vibe Mini Stud Flesh. 7 functions, 100% Silicone. Easy to operate. Push button base. Waterproof vibrations. Phthalate free, RoHS compliant materials shaft Silicone, base ABS plastic. Size length 6.3125 inches, width tip 1.0625 inches, bottom 2 inches. Vibrator requires 1 AA battery, not included.