And reduce stress with this incredible Waterproof Tushy Rocker! Choose from three relaxing 1" diameter massage heads and give your muscles some well-deserved relief. The powerful pulsations stimulate nerve endings and relieve tension caused by stress, putting the pep back in your step! One AA size battery, not included, provides the powerful vibrations. Slide the 3" long knobby latex extension sleeve over the massager and it is perfect for internal pleasures. Try it in the shower or tub and bathing will never be the same again! Whichever way you use it, you are going to love it!