These are Dr. Seuss socks!. Dr. Seuss is the author of the extremely popular children's books that inspired wonder and magic and millions of readers' minds! This Dr. Seuss sock set features 5 pairs with each set having its own design from one of the magical books in the collection, CAT IN THE HAT. There is Thing 1, and Thing 2 socks. Made of soft 98% Polyester, 2% Spandex.