100% Polyester READY MADE - Blackout curtains sold as 2 panels, each measures 42" width by 36" length. Curtains can cover windows to full width. The pleated style should be 1.5-2.6 times to your windows. HEADER TYPE - Each panel with 3" rod pocket fits most standard rods. Same color on both sides. LIGHT BLOCKING - Curtains block 85-95% sunlight and UV rays (Dark color works better) for maximum privacy and undisturbed sleep, which benefit from the innovative triple weave technology. ENERGY SMART - Thermal property of the blackout curtains ensure that the room temperature is regulated. Protect your indoor furniture from directly exposing to the sun. HEAVY-DUTY - Same material back as the front. 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.