Each opaque ball tumbler comes with bright multicolor LED lights that change from solid colors to a 7 colors changing morphing mode with the simple push of a button. Each tumbler measures about 4 1/4 inch high and 4 ihch wide and comes with a matching 9 inch reusable straw. Non-replaceable batteries are included and installed. Perfect for serving your signature drink or sipping your favorite beverage at the beach, restaurant, or bar. Imprint your logo for the perfect giveaway at your next party. Hand wash only. Not safe for microwave or dishwasher.