Self: 90% cotton 10% polyLining: 100% poly. Hand wash cold. Plastic bodice boning. Exposed back zipper closure. BACK-WS83. 23 644 R23. Backstage is an Australian made clothing label that has street style, a bit of glam and a lot of rock. Backstage is influenced by music & the arts. Sequined, striped, or draped, Backstage is a line designed for girls with a rock and roll attitude.