Thermal Insulated 100% Darkening, Blackout Curtain Liner can quickly and easily transform traditional window treatments into real blackout curtains. The fabric we use are interwoven with blackout insulation, its 100% fabric, none chemical coating or smell, you will feel extremely soft and smooth to touch. These blackout liner panels will block 100% of light, prevent harmful UV rays from reaching your floors and furniture, efficiently prevents cold or heat transfer from outside, increasing energy efficiency of your home, provide unparalleled privacy, and allow you to create darkness at any time of day.Perfect drapery option for anyone seeking to block daylight, take a nap, or keep sun glare off your TV. This practical design has the benefits of blocking outdoor light and reducing exterior noise, you can easily install them and use with any 96 inch length curtains or hang them alone as blackout curtains. These panels are perfect window Treatment for bedroom, living room, nursery room, office, business, and more.