Powerful multi-function silicone vibrator with ridges and large head features 7 modes of vibration and pulsation. Feels deliciously smooth in SiliconeSilk with LushTouch finish. Virtually seamless with a satiny finish. Unscented non-porous hypoallergenic waterproof. Requires 2 AA batteries not included. Measures 7.125 in. long 4.75 in. insertable 1.375 in. wide.