BCBGMAXAZRIA Avalon Size 12 OpenBack Whimsical Fairy Cottagecore Boho Prom Gown Formal Wedding Great Condition Size 12 Evening gown with cut out a skin-baring open back and a semi-sheer pleated tulle skirt. Concealed back zipper closure Fabric 1: 100% polyester tulle; fabric 2: 63% polyester, 32% rayon, 5% spandex; fabric 3: 65% rayon, 30% nylon, 5% spandex ponte; lining: 91% polyester, 9% spandex