Plus Size Cutout Maxi Tube DressDetails Forever 21+ This must have shapewear tube dress flatters, lifts, and smooths without constricting! It features a straight cut neckline and back, side cutouts that extend to the back, leg side slit, maxi length, and bodycon silhouette, as well as a lightweight double layered knit fabric that sculpts and contours the body for a flattering and smoothing fit with minimal seams and high functionality. Content + Care 90% nylon, 10% spandex Machine