Ruthy's Textile 2-piece Foam Back Lined Thermal Blackout Window Curtain Grommet Panels, 40 in X 84 in Total Width 80 in X 84 In (Taupe) 100% polyester 100% polyester; Includes 2 curtains 40in X 84in each Block outside light; Reduce noise This blackout curtain will help to reduce heating and air conditioning costs Machine Cold Wash, Wash & Dry Tumble Separately Energy efficient, blocks light.