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 (Blue) 100% Polyester - includes 2 curtains measures 40 x 84 inches each Block outside light; Reduce noise This blackout curtain will help to reduce heating and air conditioning costs Grommet panels will allow easy installation Energy efficient, blocks light.