It's Asian size,please check the detail size on the size chart image.
<br />100% Brand New.
<br />Material:Polyester, Satin
<br />Color: Black and Red
<br />Neck: O-Neck
<br />Sleeve: Short Sleeve
<br />Style:Casual
<br />Design: Cute
<br />Department Name: Children
<br />Verygood provide condition showing very minimal wash/wear.
<br />Package Content: 1 xGirl Two-piece Set
<br />Note:
<br />1.   Hint for choosing proper size,  use similar clothing to compare with the size.
<br />2. Choose larger sizes if your size are same as the flatmeasurement Sizechart.
<br />3. As different computers display colors differently, the color of the actual item may vary slightly from the above images, thanks for your understanding.
<br />Size:Thereare 5 sizes (80,90, 100, 110, 120) available for the following listing. pleaseallow 1-2cm differs due to manual measurement, thanks (Allmeasurement in cm and please note 1cm=0.39inch)