On-The-Go Color Changing Tumbler 20 oz Travel Tumbler. Single wall straw tumbler. Available in cool color changing colors. BPA free / food compliant. Dishwasher safe polypropylene. Mix and match cup, straw and lid. Crack-resistant safe polypropylene straws. Ships with lids and straws unassembled in same carton. Size is 5 3/4 inch. H x 3 5/8 inch. diameter.