100% Polyester DARKENS YOUR ROOM FROM OUTSIDE NOISE & STREET LIGHTS: 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. BLOCKS COLD & HEAT FOR ANY ROOM: Your blackout panel curtains help you stay toasty warm during the cold winter nights and cool on long, hot summer days. You could even save on your home energy bills. THERMAL INSULATED DOUBLE LAYER - MAXIMUM LEVEL OF 100% BLACKOUT & ENERGY SAVINGS: Made of sturdy polyester material, these long, classy drapes feature a high-quality design that won't fade in the sun or after a few washes. PREMIUM LUXURY FABRIC & CRAFTSMANSHIP: Each curtain panel features eight gunmetal grommets that are much sturdier and longer lasting than flimsy plastic ones. They also add a sophisticated finish. CONTENTS: Each package contains two (2) Siena Blackout curtain panels.