Color block Two tone cotton dress Fully lined Black trim in sleeves Boat neck Cap sleeve A Hobbs dress with its characteristic high quality fabrics. This dress is made of cotton and polyester and has a satisfying heft and texture to the touch. Its black and white color blocking gives the impression of a two piece: blouse and skirt. Although the label says do not wash, this fabric will hold well in a delicate setting in washing machine with cold water and dry flat. Perfect for office or cocktails