1.  It's US size, please check the detail sizes on the size chart image. 
<br />2.  Please allow 1-3 cm differs due to manual measurement. Thanks
<br />3.  Please note 1CM=0.39Inch,1 Inch=2.54CM
<br />Pink is for woman;Grey is for man!!!
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<br />Brand Name:   Grandwish
<br />Model Number: UB252