It's Asian size，please check the detail sizer on the size chart image.Material: Cotton BlendColor: RedCollar: O-NeckSleeve: SleevelessPattern: FloralDecor: RufflesStyle: Two Piece SetPocket: Two Front PocketLength: Above KneeDesign: CasualDepartment Name: Children GirlsNote:1. Hint for choosing proper size， use similar clothing to compare with the size.2. Choose larger sizes if your size are same as the flat measurement Size chart.Size: There are 6 sizes (100/110/120/130/140/150) available for the following listing. please allow 1-2cm differs due to manual measurement， thanks (All measurement in cm and please note 1cm=0.39inch)