Product Information ProductName: SHAKE ONLY ProductModel: FSS-W081 ProductsInfo: Item No.: FSS-W081 Material: Medical soft glue Function: Shake only Color: Blue, purple , pink ,fleshcolor, etc. Brief description : It is made of a soft, flexible and glowing material that will send vibrations up your spine. Easy to use with multi-speed control at your finger tips. Uses 2 “AA” Batteries(not include). Packing: PVC+ CARD