NBD Mini Dress Slip in Black. - size XXS (also in S) NBD Mini Dress Slip in Black. - size XXS (also in S) 100% tencel. Hand wash cold. Unlined. Pull-on styling. Twisted shoulder strap. Lightweight fabric. Imported. NBDR-WD2420. ACD589 F20. 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.