It's Asian size，please check the detail sizer on the size chart image.Material: Cotton Blends2 Colors: Red， GreenDepartment Name: ChildrenSleeve Length: SleevelessStyle: CasualSuit for: 3-11yearsFeature: Adjustable waist with floral beltDesign: CuteQuantity: One pieceLength: Full LengthOccasion: Casual， BeachPackage Content: 1 x Children DressNote: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 5 sizes (100， 110， 120， 130， 140) 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)