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. These are great for wedding table decorations, twinkle lights, centerpieces, or even do it yourself weddings. Many people use these for white wedding lights, candle light weddings and wedding reception lights. Dimensions: Height: 1.0 in., 2.54 cm. Width: 1.05 in. , 2.67 cm. Cube Color: White – LED Colors: 1 White – Batteries for this product are NOT replaceable. They are sealed for your drinking safety.