Our Blackout Curtain Lining Fabric improves insulation helps block out external lights...perfect for lining your curtains at home! Expertly created from a tight woven polycotton blend, our blackout curtain lining is exceptional at preventing external lights from disrupting your sleep. Perfect for bolstering the performance of the curtains you love, creating linings from our blackout fabric will give them a thicker and more luxurious look at your window as well as improving thermal insulation of your room. A visually subtle enhancement that will help you create the ideal environment for a restful night, if your sleep has even been disturbed by bright streetlights youll appreciate the blackout qualities of our curtain lining. Available in ivory, our blackout fabric is machine washable, youll also find it easy to care for.