Kids FOUR! 4th Birthday Gift Superhero T-Shirt For Kids Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Cute and fun super hero style graphic tee for boys & girls Ideal as an unusual birthday present for 4 year olds Lightweight, Classic fit, Double-needle sleeve and bottom hem