The skinny design of this Color-changing Tumbler makes it the ideal recognition award for young elementary school students. Made from quality acrylic, this 16 oz. tumbler measures 8 1/2" high x 2 3/4" diameter. The frosted inner shell turns color when the tumbler is filled with a cold liquid. A lid and straw of the same color of your choice completes the design. Add your choice of one-color imprint will be printed on one side of the outer shell. Customize the Skinny Color-changing Tumbler with your elementary school name and/or mascot, Teacher Appreciation Week message, or motivational message for students. Use your custom tumblers for school stores, fundraisers, award ceremonies, holiday gifts, volunteer recognition, and more.