Self: 96% viscose 4% spandex Lining 1: 97% polyester 3% spandex Lining 2: 91% polyester 9% spandex.Dry clean only.Built-in bustier lining.Hidden back zipper closures and back hook and bar clasp closure.Padded cups and non-slip silicone neckline.Back vent.Lightweight charmeuse fabric.Neckline to hem measures approx 55.5" in length