100% Polyester Blackout technology blocks out most unwanted light while enhancing privacy Energy efficient design reduces energy lost through your windows by up to 25% Thermal properties help keep summer heat and winter chill out of your home Noise reduction up to 25% helps you get a sounder, more uninterrupted sleep Adjustable to desired height for optimal light control Built-in rod pocket fits curtain rods up to 1.5" in diameter