Eruner Multicolor [Ice Cubes Light]-36 Pack of Decorative LED Liquid Sensor Ice Cubes Shape Lights Submersible LED Glow Light Up for Bar Club Wedding Party Champagne Tower Decoration (36, 36pcs) 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