Students can enjoy the novelty of color-changing favors or prizes times TWO with this 17 oz. Color-Changing Cup, Straw, and Lid set. Both the cup AND straw change color with ice cold liquids! A novelty product like this is perfect for a variety of school events: fundraisers, Prom favors, Senior Party giveaways, school carnivals, and concession stands. The set includes a plastic cup (5" x 3 7/6" diameter), 9" long straw, and frosted lid. Add a one-color silk-screened imprint to one side of the lid to create a personalized for your school and/or event. NOTE: The Color-Changing Cup, is BPA free, made in the USA, and is top shelf dishwasher safe.