Forever 21+ - a satin mini dress featuring a surplice neckline, mock wrap silhouette, long peasant sleeves with buttoned cuffs, self - tie waist, and an a - line silhouette. . Shell: 96% polyester, 4% spandex. Lining: 100% polyester. Hand wash cold. Model is 5'11" and wearing a size 1x. Women's mock wrap mini dress in black, 4x