Light Up Ice Cubes: These led ice cubes for drinks are designed for cold/room temp drinks only, bring a fantastic and unique atmosphere to your party 7 Color Changing LED Ice Cubes: Our light up bath cubes changes colors quikly with 7 options, add sparkle to your drinks. The cubes last up to 25-30 hours of battery life Liquid-Activated: These water activated light up cubes have a built-in sensor on the bottom and light up as soon as they come into contact with liquid. Liquid activated color change led ice cube lights will stop glowing when its dry Food Grade & Reuseable: These lighted ice cubes are made of food-safe polystyrene plastic, allowing you to use them safely with any food or beverage. IP67 waterproof process upgrade to prevent rusting Perfect for Various Occasions: The glow cube is perfect for Christmas party, bar, wedding, night clubs, karaoke parties, champagne towers,celebration banquet and other holiday decoration Item Name: LED Light Material: PS Power Supply: 1 x Button Battery (Included) Features: Liquid-Activated, Ice Cube Shape, Versatile Size Details: L: 2.7cm/1.06", W: 2.7cm/1.06", H: 2.7cm/1.06" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 12 x LED Lights