With a seductive open back and elegant two-tone coloring, By Malene Birger's silk cocktail dress is both flattering and feminine. Round neckline, sleeveless, crossed bodice, open back with button closure at nape, black pencil skirt. Loosely draped bodice, form-fitting pencil skirt. Wear with sleek heels and a dusting of sparkly fine jewelry. 100% Silk.