Mack Tuff Vibrating Power Pump features variable speeds. Easy squeeze hands pump. Interchangeable tips. Waterproof vibrations. RoHS compliant phthalate free. Materials: Vibrating Cup, Hose PVC, Flesh Glory Hole Thermoplastic Rubber TPR, Obvious Chamber GPPS General Purpose Polystyrene, Vibrating Cup, Bulb Pump, Black Hole Insert Silicone. Sizes: Bulb Pump 5.125 inches by 2.125 inches by 2.125 inches, Obvious Chamber Tube 11 inches by 2.5 inches by 2.5 inches, Hose length one foot. Vibrating pump requires 2 AA batteries, not incorporated