Polyester Brand New in box; The product ships with all relevant accessories Trellis geometric design adds sophistication to any room of your home Blackout technology blocks out most unwanted light while enhancing privacy Thermal properties help keep summer heat and winter chill out of your home Featuring a bold intersecting trellis geometric design, Sun Zero Barnett Blackout Curtain Panels add classic elegance and modern sophistication into any living space. Equipped with built in metal grommets for easy hanging on standard curtain rods up to 1.5" in diameter. Sun Zero Blackout technology blocks out most outside light, offers outside noise reduction by up to 30%, and decreases energy lost through your windows by up to 40%. Comfort is optimized with thermal properties that help keep summer heat and winter chill out of your home.