Self & Lining: 95% poly 5% lycra. Dry clean only. Fully lined. Hidden back zipper closure. Halter neck with hook closures. Beaded detail. XBYR-WD101. XNDR730QS 17. 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.