LED shot glasses are the perfect way to get your night started off right! These clear acrylic shot glasses turn on when liquid is poured in and turn off when empty. They hold 1.5 ounces of your favorite beverage. LED flashes the color chosen (red, green, blue, yellow, or an assortment). Batteries are included and installed. Not replaceable. Hand wash only. 1 LED shot glass is included in a box.