"100% BLACKOUT - Joydeco blackout curtains are double layered with grey lining on the back. The innovative double-weave textured fabric can totally block out 100% sunlight and harmful UV rays (rich colors work better), keeping the room cooler against heat in summer and keeping room warm in winter. Rod compartment and back tab design for easy installation. Each package contains 2 panels of black curtains. Each panel measures 37"" wide x 90"" long. Pair measures 74"" wide x 90"" long. Faux Linen Material - Bedroom curtains are made in a faux linen texture with careful craftsmanship. Opaque shades are not only thick, but also comfortable and drape. Our curtains provide good noise reduction and protect home privacy well. THERMAL INSULATION: The thermal insulated feature of these panel curtains captures both heat and cold during extreme seasons, making your home the perfect cozy retreat every time."