NBD Osiris Gown in Black. Size M, S, XL, XS. NBD's Osiris Gown in Black: Embrace allure with one-shoulder chic, ruched detailing, and a tantalizing sheer panel. Unleash your sexy sophistication in this statement piece by NBD. 100% polyester. Made in China. Dry clean only. Partially lined. Hidden side zipper closure. One shoulder styling Ruched mesh jersey fabric with sheer mesh side panel. 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.