1.GET LIT: Does your party need some color? Light up with these Led water activated ice cubes that light up in any cold drink. It looks fun inside the drink! The party cube decorations add a unique atmosphere to any occasion. 2. COLORFUL CUBES: Each cube can change to 7 different colors within seconds. The cubes have a battery life of up to 30 hours. 3. LIQUID SENSOR: The sensor is located on the bottom of the ice cubes and lights up when it detects liquid. The liquid activated color changing led ice cube lights will stop lighting when dry. 4. FOOD GRADE: These reusable LED drink cubes are made of food-safe polystyrene plastic and can be safely used with food or drinks. Waterproof and can be submerged in liquids, making it 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, swimming pool lighting, champagne towers and other holiday decorations.