Child Supergirl Costume Deluxe Child Super Girl Costume 882314 Supergirl Deluxe Child Costume Licensed By DC Comics. SEARCH RUBIES SIZE CHART FOR MEASUREMENTS Made from 100% Polyester exclusive of trim. The manufacturer states on the package: Toddler (2-4 for 1-2 years old), Small (Child 4-6 for 3-4 Yrs), Medium (Child 8-10 for 5-7 Yrs) and Large (Child 12-14 for 8-10 Yrs) THIS IS NOT AN ACCURATE STATEMENT SEARCH RUBIES SIZE CHART FOR MEASUREMENTS SIZE CAN NOT BE DETERMINED BY AGE