Our LED blue flashing pint glass has a variety of modes and is perfect for all your party drinkware needs! This clear acrylic glass holds 16 ounces of your favorite beverage. The button on the bottom of the glass allows you turn on 3 ultra-bright LEDs (3 LED modes: circular flashing, flashing, and constant on.) LED flashes the color chosen (red, green, blue, or multicolor). Batteries: 3, AG-13. Replaceable, included and installed. Hand wash only. Each box contains 1 LED multicolor flashing pint glass.