Self: 58% lenzing ecovero 42% viscose Lining: 100% poly.Made in China.Hand wash.Fully lined.Hidden back zipper closure.Adjustable shoulder straps with lace-up back tie closure Cowl neckline.Lustrous satin fabric with ruched detail.Model 1 is wearing size US 6 Model 2 is wearing size US 2 Model 3 is wearing size US 10.The Lace Back Maxi Dress from Shona Joy's La Lune collection is a satin maxi dress with a cowl neckline and lace-up back detailing. Great for any bridal event!