NBD Smyth Dress in Black. - size XXS (also in XL) NBD Smyth Dress in Black. - size XXS (also in XL) Self: 90% rayon 5% poly 5% spandexLining: 95% poly 5% spandex. Hand wash cold. Fully lined. Allover bead and sequin embellishments. Back cut-out with button closure. NBDR-WD959. NBDR225 H17. For the girl who's the life of the party. For the girl who's always up for a glass of champagne. For the girl who likes to keep her closet as filled with as her social calendar, there's NBD. The young-at-heart line features dresses that every it girl covets and pieces that are sexy, flirty, fun and now.