Self: 100% nylon Lining: 91% poly 9% spandex. Dry clean only. Fully lined. Halter neck with button closure. Beaded detail throughout. Surplice front. Hidden back zipper closure. XBYR-WD172. XND33 R17. 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.