Product description:Material: SiliconSize: Whole length: 8cmDiameter: 3 cmColor:Pruple Batteries: 3 pcs LR44  (not include) Package Content: 1 x Vibrating Features: 1. Dual vibrating 2.  Vibrating functions 3. Waterproof 4. Super quiet Directions for use: 1. Requires 3 pcs LR44 batteries (NOT included!!!)