Tervis Tumbler Colorado State University 24-Ounce Double Wall Insulated Tumbler, Set of 2 Keeps hot drinks hot and cold drinks cold Co-polyester BPA and Melamine free construction Microwave, freezer & dishwasher safe Unconditional Lifetime Guarantee Made in America Set of two 24-ounce tumblers High-grade polymer material Features embroidered patch Dishwaser safe, Microwave safe and Freezer safe Unconditional lifetime guarantee