Waterproof and Food Safe: The cube lights are waterproof and can be submersed in liquid. Made from high quality clear acrylic edible plastic, filled with non-toxic freezable gel.And safe material that can be even put into your water/drink glass cup for lighting up(Without cooling function)Multi Colors : Cube Flashes and Blinks Different Colors of the Rainbow Automatically.Unique DesignIce cubes shape design with multi-color LED light inside for beautiful illuminating and can create atmosphere,making your party more lively and your friends feel more happy.Easy to Use: The LED ice cubes are liquid activated , LEDs automatically switch on when placed in water and off again when take them out.(Note: Once taking out from water, please dry the sensitive point--screws & battery for reusing)Widely Use:This LED multicolor ice cube can be used for drinks, wine, whiskey, champagne tower. Flashing Ice cubes light perfect for bar, party, wedding, beach parties, BBQ, birthday, music events etc.Battery model: 3 x 1.5V AG3 button batteries(included)Product size: 2.75 x 2.75 x 2.7cmProduct material: food grade PSPackage list:12 x LED Ice Cubes Light