Flounce cuff Chiffon Blouse-NWOT

This top is super cute. It was listed as a XL but is not at all.. this top fits more like a medium/Large...Cute back zipper in gold hardware. It sits at the waist ..I measures from neck to hem 23 1/2 inches.. I have included measurements. Shoulder:15.9inch, Bust:42.5inch, Length:25.2inch, Sleeve Length:17.3inch. Ordered online but does not fit. 😕 95% polyester 5% spandex