- 95% Polyester, 5% Spandex - 100% Polyester - has stretch - has double lining - adjustable straps - faux corset - zipper back ******* I purchased this dress in two sizes. In the photos, I am wearing the size medium. THIS LISTING IS FOR THE SIZE MEDIUM. (I also have the size large listed, separately). Worn once, for about two hours. The dress is photographed and I have attached a video. I am 5’6, for reference.