Blackout Lining Fabric | 55” & 110” Width Options | 100% Microfiber | 1-Yard, 2-Yard, 5-Yard Pre-Cut & Cut-by-Yard. Create a beautiful and functional space with our premium blackout lining fabric, made from high-quality microfiber and specially engineered to block light, regulate room temperature, and give your curtains and projects a clean, professional finish.