There’s no tag so the size is unknown - I typically wear a large an it fits me so I would guess it’s around a medium/large No staining No zipper, the top is an elastic band Bllackand green plaid mini skirt cloth material (I HAVE DOGS SO IF THIS IS SHIPPED TO YOU AND THERE IS DOG HAIR I SINCERELY APOLIGIZE I TRY TO CLEAN THE CLOTHES AS BEST AS POSSIBLE BEFORE SHIPPING)