Polyester READY MADE - Blackout curtains sold as 2 panels, each mesure 34" width and total width is 68 inches. Both sides are same color. Curtains can cover windows to fully width. Pleated style should be 1.5-2.6 times to your windows. HEADER TYPE - Each panel with 3" rod pocket and 6 back tab loops, which can be hung in different style: Back Loops, Slot Top or with your own Clip-rings. LIGHT BLOCKING - Curtains block 85-98% sunlights (Dark color works better), which is effectively block most of the harmful sunlights and UV rays, protect your furniture, floors and valuables from the sun. Suit for maximum privacy and undisturbed sleep. ENERGY SMART - Curtains are work well on balance the temperature inside and outside by insulating summer heat and winter chill, so that these room darkening curtains can reduce the energy waste and save the daily bill effectively. EASY CARE - Easy to maintain and machine washable. Use only non-chlorine bleach & warm iron when needed. Tumble dry low. Visit RYB HOME to find out more.