NBD x REVOLVE Bianca Dress in Black. - size M (also in ) NBD x REVOLVE Bianca Dress in Black. - size M (also in ) Follow the rainbow to NBD's magical Bianca Dress. A universally flattering mini tank dress crafted from thick stretch knit, this REVOLVE exclusive is a guaranteed head-turner. Raised multicolor zigzag striping pops from a rich black background, culminating in a unique jagged hem.. Viscose blend. Hand wash cold. Unlined. Stretch fit. NBDR-WD770. NBDR82 S17. 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.