1. GET LIT: Does the party need a bit of color? Get lit with these LED water-activated ice cubes that illuminate in any cold drinks. They look amusing inside the drink. The party cube decorations will create a unique atmosphere for any occasion. 2. COLORFUL CUBES: Each cube can change into 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 side of the ice cubes and will light up when it detects any liquid. The liquid-activated color-changing LED ice cube lights will stop glowing when they're dry. 4. FOOD GRADE: These reusable LED drink cubes are made from food-safe polystyrene plastic, allowing them to be used safely with food or drinks. They are waterproof and can be submerged in liquids, providing a fun way to enhance beverages. (NOTE: Do not place in hot liquids). Size: 1.06 x 1.06 x 1.06 inches 5. IDEAL for DECOR: Perfect for Christmas parties, nightclubs, bars, karaoke parties, music events, weddings, swimming pool lights, champagne towers, and other festive decorations.