The Vibrating Jackmatic Supreme Pump is everything you want in a pump. Interior stimulators to touch you, a strong suction to make you hard, power on demand for an incredible turn on that will make you ready to cum. Soft jelly interior sleeve with stimulators and vibrating egg head. Powerful, durable suction bulb with push button release. 8 inches long by 2.5 inches chamber. Vibrating sex toy requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. Always clean before and after use. Jackmatic Supreme Pump from Nasstoys of New York. New images 2013.