Spaghetti straps I’m silk satin, the bodice is velvet, the top is also trimmed in silk satin. Comes in at the waist, the skirt is black lace which is trimmed in sequins and has 3D designs with sequins and ribbing. Lined in acetate, bodice is silk velvet, lace is cotton, left side zipper. Does have a number on the label so it may have been bought at a sample sale.