I'm not sure of the US sizing. But I measured the waistband & it is 35.5 inches in circumference. I just added a picture of the inside label. The picture is of the whole skirt taken from a distance so I could get the whole skirt in the picture so it looks small, but it is not.
You are welcome. Sorry, the company hasn't provided much info in there. If you want to know anything more about it, I'll sure answer those for you. If you want to see more pictures, let me know too. :)