It's Asian size,please check the detail sizer on the size chart image.Material: Cotton BlendColor: WhiteDepartment Name: Children & GirlItem: T-shirt and ShortsPattern: Watermelon printedStyle: FashionCollar: O-CollarSleeve: Short SleeveShorts waist type: ElasticNote: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 (80, 90,100,110,120) 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)