Midnight blue dress.Partially lined.Cold hand wash only.Model is a standard XS and is wearing XS.True to size.Non stretchy fabric.Invisible back zip.Spandex/polyester.Babe, we think the Pretty Birds Dress is a game changer! It has a curved neckline, adjustable shoulder straps, an invisible back zip with a metal clasp and it's a sexy backless style. Style it with silver studs and glittery nails!