NBD x Naven Twins Sugar Sugar Dress in Blue. - size XS (also in ) NBD x Naven Twins Sugar Sugar Dress in Blue. - size XS (also in ) 94% poly 6% spandex. Dry clean only. Fully lined. Stretch fit. NBDR-WD691. NV16D361. 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.