Storm Trooper Costume Child Star Wars Costume W Face Mask 883034 Child Storm Trooper Costume W Face Mask The manufacturer states on the package 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 CLICK THE SIZE LINK FOR MEASUREMENTS SIZE CAN NOT BE DETERMINED BY AGE CLICK SIZE LINK AND REFER TO RUBIES CHART MEASUREMENTS Costume includes silk screened white, black and gray jumpsuit and 3/4 light weight pvc mask that attaches to head with elastic. Made from 100% Polyester exclusive of trim SEARCH RUBIES SIZE CHART FOR MEASUREMENTS