Backstage Elizabeth Slip Dress in Black. - size M (also in ) Backstage Elizabeth Slip Dress in Black. - size M (also in ) Self: 52% viscose 48% rayonLining: 100% poly. Hand wash cold. Fully lined. BACK-WD260. 28 612 944. 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.