Fun Central I483 1 Piece 10 Ounce 7 Inches Flashing LED Light Up Margarita Glass, LED Cups Shots Mugs for Martini Cocktail, Flashing Margarita Glass - for Mardi Gras, Clubs, Rave Parties, Weddings, Christmas and Neon Parties - Multicolor SIZE: Each Margarita Glass measures 7 inches high and a diameter of 4.5 inches. LED LIGHT FUNCTIONS: The button on the bottom of the glass allows you turn on 3 ultra-bright multicolor LEDs with 7 functions to click through (green constant, red constant, blue constant, purple constant, green-blue constant, red-green constant, red-green-blue constant, and color-morphing) 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 margarita glass. Batteries: 3, AG-13. Replaceable, included and installed. Sold individually. SAFE TO USE: These Margarita Glasses are approved by the FDA which makes it safe to be used especially on beverages. Hand wash only.