These are Officially licensed Dr. Seuss, guaranteed! This no-show ankle sock set features 3 pairs of socks. One set with Thing 1 and Thing 2 symbols, the second pair with pictures of the things and the third pair with CAT IN THE HAT. Made of soft 98% Polyester, 2% Spandex. These are sock size 9-11 which fits men's shoe size 5-9 best, and women's shoe size 5-10 best