This is Asian size, which is usually 1-2 size smaller than US/EU/AU women's size.
Please ignore the size information provided by Amazon, our size chart is shown in the pictures' part.
My suggestions are for reference, you can also refer to our size chart and choose the best fit one.
About shipping time:
Usually ship in 1-3 business days, estimated delivery time(may take longer in busy season):
USPS tracking to US, 8-15 Business days on the way.
Express shipping to US with extra cost, 3-5 business days on the way.
Express shipping to Canada with extra cost, 5-10 business days on the way.
Due to differences between monitor displays, actual color may vary slightly from image.
If you have any questions please feel free to contact us, we will reply you within 12 hours.Material:100% Polyester