Available in Juniors sizes only. Our cool and fashionable Dr. Seuss Cat in the Hat Blackboard Black Juniors Seuss tee is made of 50% Cotton and 50% Polyester and is printed with that fun distressed vintage and retro feel and look. All of our Dr. Seuss merchandise is officially licensed and now with this awesome and hip Seuss blackboard t-shirt you can show everyone how much you love Theodore Geisel' work. Who doesn't love Cat in the Hat?