Power, precision and lots of pleasure, the Jelly Krystal Undeniable is all youll need for an amazing night. With multi-speed vibrating action, a soft jelly shaft that undulates to your body rhythm, reverse rotation, vibrating rabbit ears for clitoral stimulation, and rotating pleasure beads embedded in the shaft, its sure to please. The realistically shaped head tapers from 2 1/4 inches for precise stimulation and easy insertion, and flares to 4 1/2 inches at its widest. The easy to grip control pad contains the controls with an easy push button for instant reverse rotation. Takes 4 AA batteries (sold separately ). This toy is not recommended for use in water, as the battery end can not get wet, but you can definitely find plenty of uses for it on dry land. Length 10? / Insertable Length 5 1/4? Girth 4 1/2? at largest Material TPR (Thermoplastic rubber) Powered by 4 x AA batteries Special Features Multi-speed, rotating pleasure beads, reverse rotation