NBD Mosaic Mini Dress in Metallic Copper. - size S (also in M) NBD Mosaic Mini Dress in Metallic Copper. - size S (also in M) Self: 100% rayonLining: 83% nylon 17% spandex. Dry clean only. Slip dress lining. Sequin embellishments throughout. Imported. NBDR-WD1833. NBD1088 S19. 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.