1. GET LIGHTED : Does the party need a little color? Get lit up with these LED water-activated ice cubes that light up any cold drink. It looks fun inside the drink The party cube decorations will add a unique atmosphere to any occasion. 2. COLORFUL CUBES: Each cube can be changed to 7 different colors within seconds. The cubes last up to 30 hours of battery life. 3. LIQUID SENSOR: The sensor is located on the underside of the ice cubes and lights up when any liquid is detected. Liquid Activated Color Changing LED Ice Cube Lights will stop glowing when dry. 4. FOOD GRADE: These reusable LED drink cubes are made of food safe polystyrene plastic and can be used safely with food or drink. Waterproof and submersible in liquids, which is a fun way to enhance drinks. (NOTE: Do not put it in a hot liquid). Size: 1.06 x 1.06 x 1.06 inches 5. IDEAL FOR DECORATIONS: Perfect for Christmas parties, nightclubs, bars, karaoke parties, music events, weddings, pool lights, champagne towers and other holiday decorations.