This instrument of pleasure is made of soft and pliable jelly material and offers multi-speed vibration with a realistic look and slick feel. Just twist to find your perfect setting. Designed with a nice smooth cock head and heavy veined shaft for additional stimulation. The powerful multi-speed vibration control at the base allows you to be in charge of your own pleasure. Waterproof for fun in and out of the water. Battery operated- I will provide batteries(free with purchase)