Set of 12 Liquid Sensor LED Glow Light Up Ice Cubes - Eruner Multicolor *Flashing Submersible LED Lights* Reusable Decorative LED for Party Wedding Club Bar Champagne Tower Decoration(12 Pcs Cube) Ice cubes shape design with multi-color LED light inside for beautiful illuminating and enhance romantic amazing atmosphere at home, bar or clubs Made from high quality clear acrylic edible plastic, filled with non-toxic freezable gel, safe material that can be even put into your water/drink glass cup for lighting up(Without cooling function) The LED ice cubes are liquid activated - the LEDs automatically switch on when placed in water and off again when you take them out.(Note: Once talking it out from water, please use cloth or tissue to dry the sensitive point--screws & battery for reusing) Without flame, wax smoke or mess, perfect for wedding, party, bar, club, champagne tower and other holiday decoration with amazing looking in dark atmosphere Products are battery-powered, no chemical changeor non-toxic, each one comes with batteries already fitted, but batteries are NOT replaceable