Decadent velvet fabric adds luxe appeal to any roomExtreme 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 sleepHidden back tabs fit curtain rods up to 1.5" in diameterFeaturing a decadent velvet fabric, Sun Zero Amherst Velvet Noise Reducing Thermal Extremes add luxe appeal to any room of your home. Equipped with hidden back tabs 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 hidden back tabs on reverse side 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.