Set of 8 Litecubes Brand Jewel Color Tinted Amethyst Purple Light up LED Ice Cubes LiteCubes are approximately 1 inch square and are molded to resemble real ice cubes Only LiteCubes cubes are safe and FDA approved. Safe to freeze and use in drinks Amethyst purple LiteCubes are powered by 2 non replaceable long lasting lithium ion batteries and 2 brilliant white LEDs Also known as 'Jewel' LiteCubes, these particular cubes are color tinted purple Don't accept cheap Chinese counterfits which can pose safety hazards. These are the original FDA approved LiteCubes which have the "LiteCubes' logo on the bottom of each cube as pictured