NBD x Naven Charity Dress in Purple. - size L (also in XL) NBD x Naven Charity Dress in Purple. - size L (also in XL) 62% rayon 33% nylon 5% spandex. Dry clean only. Partially lined. Ruffle trim. Exposed back zipper closure. Crossover back straps. Imported. NBDR-WD1896. NVD172 U19. 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.