"Blackout technology blocks out most unwanted light while enhancing privacy Energy efficient design reduces energy lost through your windows by up to 40% Thermal properties help keep summer heat and winter chill out of your home Noise reduction up to 30% helps you get a sounder, more uninterrupted sleep Built in metal grommets fit curtain rods up to 1.5"" in diameter.Pair includes 2 panels (The width noted on the item label (108"") is the combined width of two panels)"