The soft, flexible head, and waterproof design makes the Trinity Vibrating Ass Plug great for anal exploration. The multi-speed vibrations provide waves of pleasure after penetration, multiplying your enjoyment Easy to insert and clean, this is a great all-around toy. Batteries are included for immediate use. Measurements: 4.38 inches overall length, 3.38 inches insertable length, 1.25 inch max insertable diameter, Material: TPR, ABS, Color: Black, Note: Waterproof, Requires 3 LR44 button cell batteries, included. Phthalate free