LED ice cubes are one of the hottest novelties on the market today for bars, clubs, special event planners and anyone who wants that extra 'wow' effect. They are completely safe to put into any beverage provided that they are washed with soap and rinsed thoroughly before use. LED turns on automatically if put into any conductive liquid such as water or any alcoholic beverage. The are encased in a waterproof non toxic shell and packed with coolant gel to keep your favorite beverage cool. Once the battery runs out, you can continue to freeze the ice cubes as long as you please.