In fluid you can view its colored vivid animation. Just drop it in your cup. It glows with liquid activation. Gel cubes make your beverage better-looking to behold. If you pop them in the freezer they will even keep your drink cold. Try our blinking, flashing ice cubes. You’ll love them. Our light up ice cubes are popular for parties, weddings, meetings, birthdays, events and functions of all types. – Dimensions: Height: 1.0 in., 2.54 cm. Width: 1.05 in. , 2.67 cm. Cube Color: Blue – LED Colors: 1 Blue – Batteries for this product are NOT replaceable. They are sealed for your drinking safety.