Light up your party with these vibrant LED water-activated ice cubes! They add a fun, glowing touch to any cold beverage, creating a unique atmosphere for any occasion. Colorful Cubes: Each cube cycles through 7 different colors in seconds and boasts up to 30 hours of battery life. Liquid Sensor: The sensor on the bottom of the ice cubes activates the light when any liquid is detected. These liquid-activated LED ice cube lights will stop glowing once dry. Food-Grade & Reusable: Made from food-safe polystyrene plastic, these reusable LED drink cubes are safe for use with food or beverages. They are waterproof and fully submersible, offering a fun way to enhance your drinks. (Note: Do not place in hot liquids). Size: 1.06 x 1.06 x 1.06 inches. Ideal for Decor: Perfect for Christmas parties, nightclubs, bars, karaoke parties, music events, weddings, pool lights, champagne towers, and other holiday decorations.