Ram Vibrating Master Pump Clear features: a powerful motor, 10 function bullet, 3 flexible cock rings. Made using RoHS compliant, phthalates free materials: plug, cord PVC, controller, bullet, clear chamber ABS plastic, bulb, hose rubber, rings, holster, base- Silicone. Chamber measures 8.0 inches long by 2.5 inches wide. Bullet vibrator measures 2.0625 inches long by 0.9375 inch wide. Controller measures 4.4375 inches long by 1.0625 inches wide. Vibrating bullet requires 2 AAA batteries, not included. Do not leave batteries in the vibrator between uses. A water based lubricant is recommended. Always clean before and after use. Ram Vibrating Master Pump Clear from Nasstoys of New York.