Fun Central AC684 LED Light Up Shot Glass - Multicolor SIZE: Each LED Light Up Shot Glass measures 2.25 inches high and a diameter of 2 inches. LED LIGHT FUNCTIONS: Our multicolor LED Light Up Shot Glass feature LEDs (Red, Blue, and Green) PERFECT FOR: Spicing up your cocktail drinks in different parties and celebrations including Mardi Gras, Clubs, Rave Parties, Weddings, Christmas and Neon Parties. FEATURES: Each box contains one LED Light Up Shot Glass. Batteries: 3, AG-13. Replaceable, included and installed. Sold individually. SAFE TO USE: These LED Light Up Shot Glass are approved by the FDA which makes it safe to be used especially on beverages. Hand wash only.