Function: Vibration Cock RingColor: BlackSize: 13.6 * 5 cm/5.3" * 2.0"Net Weight: 27 g/0.06 lb/0.95 ozPower: 3 LR41Material: ABS + SiliconePackage: Color BoxFurther: WaterproofPackage Size: 17*8.5*4 CM