Get ready for award banquets, Teacher Appreciation Week, school carnivals, and more with this 24 oz. Blue Color Changing Tumbler. This unique plastic blue tumbler features a tapered design, matching blue lid and straw, and comes with a one-color imprint on one side. Fill your tumblers with ice or a cold beverages and watch the color of the tumbler change! Use your custom tumblers for student recognition, teacher and staff appreciation, prizes, and school fundraisers!