Formal Evening Gown. Beaded Stretch Dress for Prom, Party, Wedding by Sean Collection (8773) polyester Sizes run small. Check your measurements against the Formal Gallery size chart posted with product images. XXS=0, XS=2, S=4, M=6, L=8, XL=10 Do not use the Amazon Standard Size Chart to determine fit Stretch mesh with handbeading; hi-low skirt; sheer ruffle at edge of skirt Front slit; Built-in bra pad; Dry Clean Only; Imported Perfect for evening, social occasion