100% Polyester Child's The Flash costume jumpsuit with attached boot-tops and mask IMPORTANT: Costumes are not sized the same as clothing, consult Rubie's Child Size Chart and recent reviews; DO NOT buy based on age or clothing size Officially licensed Justice League Child's The Flash Costume, look for authentic DC Comics trademark on packaging and labels Look for Justice League costumes in sizes and styles for entire family, create your own group of DC Comics superheroes and villains Rubie's has classic and licensed costumes, accessories, and decor items in sizes and styles for the entire family