This 17 oz. yellow 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.! The manufacturing of this mug uses a natural alternative to the petroleum based plastics and polymers. Made in the U.S.A