100% Polyester UNLIKE ORDINARY BLACKOUT CURTAINS, THESE ARE THICKER & BLOCKS ALL SUNLIGHT AND COLD: The simple blackout darkening curtains are much thinner and still allows sunlight to enter. Our thicker single layer curtains will block all light and help stop drafts entering through your bedroom and living room while you can get a restful warm sleep or power nap! THICK, SOFT, PREMIUM WOVEN FABRIC: Made of sturdy, heavy duty polyester material, these long, classy drapes feature a high-quality luxurious look that won't fade in the sun or after a few washes. ENERGY EFFICENT - KEEPS THE COLD & HEAT OUT - BEST FOR WINTER/SUMMER CURTAINS: Your thermal insulated panel curtains help you stay toasty and warm during the cold winter nights and cool on long, hot summer days. You could even save up to 30% on your home energy bills by using Blackout curtains throughout your house. DURABLE METAL GROMMETS: Each curtain panel features eight (8) gun metal grommets that are much sturdier and longer lasting than flimsy plastic ones. They also add a sophisticated finish. PACKAGE CONTENTS - 100% MONEY BACK GUARANTEED: Each package contains two (2) window curtain panels. If you are not happy with your curtains, please contact us and we will rectify the situation within 24 hours to ensure you are satisfied with our window curtains.