Blackout Drapery Lining fabric. This 100% blackout fabric is perfect for use as curtains or drapery to help muffle sound and block out the sun and cold. Ideal for homes, nurseries, schools, and workplaces, this curtain lining insulates and helps keep rooms cooler in the summer and warmer in the winter.
70% Polyester 30% Cotton
3-pass standard blackout light control