NBD Slinky Knit Dress in Ivory. - size L (also in XL) NBD Slinky Knit Dress in Ivory. - size L (also in XL) 51% rayon 34% cotton 13% poly 2% metallic. Hand wash cold. Unlined. Shoulder tie closures. Rib knit fabric. Metallic thread detail. NBDR-WD1181. NBK5 U18. 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.