Polyester UNLIKE CHEAP SINGLE-LAYER CURTAINS, THESE DOUBLE-LAYER CURTAINS PROVIDE MAXIMUM LIGHT BLOCKAGE & TEMPERATURE CONTROL: 2 Layers provide the utmost blockage of anything you are trying to keep out. Single-Layer curtains can only block some light, heat or cold, which will still allow to enter through the sides of your curtains. With these curtains, you can save double the amount of money on your energy bills. THICK, SOFT, PREMIUM 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. 100% BLACKOUT - SLEEP LIKE A KING: Blackout curtains are a necessity. These blackout curtain panels use a thermal lining fabric that eliminates 100% of light, creating a dark, relaxing sanctuary for sleep as well as privacy. DURABLE METAL GROMMETS: Each curtain panel features six (6) silver 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.