100 percent waterproof for fun in or out of the water. The playful rabbit with its synchronized rotating metals beads and reversing action has 3 speeds of vibration, 3 speeds of rotation, and one touch activation. EZ load battery case. Measurements: 4.75 inches insertable length, 1.5 inches in diameter. Material: PVC. Color: Pink. Note: Requires (3) AA batteries, not included