10 functions of passion! The waterproof Hot Pinks Ballsy is made of glittery soft jelly. The Vibemeasures 5.25" with a diameter of 1.5". The base of the shaft has a large nub for clitoral stimulation. The base of the Vibehas EZ touch controls for scrolling through the 10 levels of vibration and pulsation. Requires two AA size batteries, not included. Pink is the new passion!