Dont forget to clean the toy properly with a toy cleaner (F-843) and warm water and dry it thoroughly to maximize its lifespan. Use your favorite water-based lubricant (N-506) for an extra wet experience. Features: Strong vibrations, Variable speed, High quality materials, Waterproof, 1 AA battery (not included), We recommend using a water-based lubricant. Dimensions: 2.5 cm x 13.5 cm