Self: 58% lenzing ecovero viscose 42% viscose Lining: 100% polyester.Made in China.Hand wash.Fully lined.Hidden back zipper closure.Back lace-up detail with tie closure.Ruched satin fabric.The Ruched Backless Slip Dress from Shona Joy's La Lune collection is a satin dress with a cowl neckline and lace-up back. It's a timeless classic!