Door Curtain or Photo Backdrop? Our 78" long by 38 1/4" metallic Black Metallic Square Curtain can be used for either. The Black Metallic Squares Curtain is a great choice to use at Hollywood theme parties, New Year's nights, black tie events, or anytime black fits your color scheme. Each curtain comes with double stick tape for easy hanging. Please order in increments of 1 curtain or backdrop.