This must - have shapewear dress flatters, lifts, and smooths without constricting! It features a mini length, bodycon silhouette, and mock neck, long sleeves, and open back, as well as a lightweight double - layered knit fabric that contours the body for a flattering and smoothing fit with minimal seams and high functionality. | 90% nylon, 10% spandex | Hand wash cold | Model is 5'11.5" and wearing a Small | Women's Contour Open - Back Mini Dress in Black, XL