Elegant Sheath Cowl-Neck Sleeveless Cut-Out-Back Periwinkle Satin-Floral Floor-Length Prom DressesThis elegant prom dress features periwinkle satin (with subtle floral embossing & thin halter straps): it has a cowl neckline, sleeveless design, sheath silhouette, cut out open back, and a sleek floor length hem. The soft, sophisticated style is perfect for prom, formal dinners, or upscale evening events.