Polyester PREMIUM CONSTRUCTION. Our blackout curtain are made of 100% high-quality polyester with a layer of blackout thread to reduce light by 70% to 80% BEAUTIFUL WINDOW PANELS. The gorgeous leaf pattern is woven into soft and silky fabric to give your room a soothing natural glow PERFECT SIZE. This curtain panel pair includes 2 curtain panels measuring 52” wide x 63” long each, and topped with 8 stainless colored grommets WOVEN BLACKOUT FABRIC. Our curtains block 70% to 80% of natural sunlight and artificial light, including street, car headlights, and building lights PLEASE CHECK SELLER NAME. Confirm that your product labels says Superior and HOME CITY INC. If it doesn't, please contact Amazon and us immediately