Squirrel Stuff brings you a new Tumbler Travel Mug that quotes "The bluebird carries the sky on his back" -Henry David Thoreau. This product that is not only a beautiful addition to any mug collection but also is helpful to the environment. This 18 oz. blue Tumbler Travel Mug is made from 100% U.S. Corn Plastic! The image is printed with Soy Ink. This environmentally friendly mug is not only microwave safe but also helps the U.S.A. by using the renewable resource, corn! Corn grown in the U.S.A.! Mug is 7-1/2" tall. And comes with comes with a solid corn plastic removable lid. The manufacturing of this mug uses a natural alternative to the petroleum based plastics and polymers. Made in the U.S.A.