Both the cup AND straw of this Mood Cup with Straw change color! The 26 oz. frosted cup changes color when filled with a cold liquid--to a multi-color confetti pattern. Plus, you can choose your straw color. A frosted lid is also included. Customize one side of the cup with your choice of a one-color silk screened imprint. Add your elementary school name, holiday message, Teacher Appreciation message, Field Day design, and more. Hand out custom cups as student awards, teacher gifts, prizes, and more!