Self & Lining: 100% poly. Hand wash cold. Fully lined. Elastic sleeves. Lace trim. Ruffle hem. Hidden back zipper closure. XBYR-WD150. XND15 H17. With sexy silhouettes and daring cut-outs, X by NBD is the party girls go-to brand for the perfect dress. With lace overlay details, plunging necklines and sweet scalloped edges, X by NBD gives a modern makeover to cocktail dresses.