This eye catching 16 oz BPA-Free double wall tumbler is made of eco friendly 100% biodegradable plastic. The white R-CALF USA logo grabs attention against the blue. It also includes a matching rigid straw with plastic stopper to keep in place. Designed for use with cold and room-temperature beverages only. Features snap-on lid. Top rack dishwasher safe. Not microwave safe. Made in USA. Shipping included in cost.