Features:Intersecting burlap weave texture adds a hint of rustic chicExtreme Thermal Blackout technology blocks out 100% of outside lightThermal properties help keep summer heat and winter chill out of your homeNoise reduction by up to 40% helps you get a sounder, more uninterrupted sleepBuilt-in metal grommets fit curtain rods up to 1.5" in diameterFeaturing an intersecting burlap weave texture, Sun Zero Kline Burlap Weave Thermal Extremes add a hint of rustic chic to any living space. Equipped with built-in metal grommets for easy hanging on standard curtain rods up to 1.5" in diameter. Sun Zero Extreme Blackout? Thermal Lining is laboratory tested to block out 100% of light, reduce outside noise by up to 40%, and decrease 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. Built-in metal grommets allow for easy slide-through installation on curtain rods up to 1.5" in diameter. Hang in your entertainment room to eliminate screen glare and reduce distracting outside noise, or in your bedroom for enhanced privacy and a sounder, more uninterrupted sleep.