From the Dr. Seuss Kitchenware Collection. Dr. Seuss Characters Adult Chef Hat. This chef hat features a fun scatter print on a white background with characters from The Cat in the Hat, Green Eggs and Ham, Horton Hears a Who, The Lorax, How the Grinch Stole Christmas, One Fish Two Fish, Yertle the Turtle and the Sneetches. Get on board the chuck wagon with our unisex chef hats for the whole family. Hook-and-loop fasteners allow hats to fit all size noggins. Made of 100% cotton. Measure 9" x 9".