It's Asian size，please check the detail sizer on the size chart image.100% Brand New.Material:Cotton BlendColor:Multi-colorDepartment Name: ChildrenSleeve Length:Long sleeveStyle: CasualDesign: CuteCap Size: Approx 42 x 20cm (perimeter x H)Very good provide condition showing very minimal wash/wear.Size: There are3 sizes (80，90，100)available for the following listing. please allow 1-2cm differs due to manual measurement， thanks (All measurement in cm and please note 1cm=0.39inchAs different computers display colors differently， the color of the actual item may vary slightly from the above images， thanks for your understanding.Package Content: 1 x 3pcs / Set Jumpsuit Cap