It's Asian size, please check the detail sizes on the size chart image.
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<br />100% Brand New.
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<br />Material: Lace
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<br />Occasion: Casual
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<br />Color: White
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<br />Note:  Dress only, accessory not included
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<br />1 Sizes available:
<br />Asian L (US M(8-10),UK 10, AU 12) 
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<br />Bust 102cm  39.8\