Give your soda a bit of color with our 16oz LED Double Wall Cola Glass. Each high-quality acrylic glass features bright LED lights in the top to illuminate your drink. Each blue-tinted plastic cup comes with a clear lid and straw. With the push of a soft silicone button on the clear screw on lid, switch between 7 different light modes including steady on in red, blue, green, a combination of the colors, or slow morphing. (3) replaceable AG13 batteries are included and installed. Each cup is reusable but is hand wash only and not safe for the microwave or dishwasher.