100% Polyester 【MATERIAL】: Joydeco 2pcs room darkening curtains for bedroom, solid thermal insulated living room blackout window panels are all made of 100% Polyester,machine washable,but please separately in a mesh bag, do not bleach,warm iron and tumble dry at low temperatures. 【Packaging Specifications】Each package contains 90 inch curtains 2 panels. Single panel measures 37"W x 90"L | Pair measures 74"W x 90"L. 【SUN BlOCKING & THERMAL INSULATED FEATURES】: Joydeco Living bedroom curtains can block out 85%-99% sunlight and harmful UV ray (deep colors work better), keeping room cooler, against heat in summer. 【EFFECTIVE NOISE REDUCTION】:Perfect soundproof function also is strength of our curtains with sophisticated material processes. With factory testing our Joydeco blackout curtain can reduces outside noise, perfect for late sleepers and afternoon naps in the day time 【Back Tab&Rod Pocket Design】Thread trimmed and wrinkle-free. Joydeco blackout curtain is available in both rod pocket and back tab, you can choose the convenient way to decorate your windows.