Darkens Room for Sounder SleepThese blackout curtain panels use a thermal lining fabric that eliminates 100% of light, creating a dark, relaxing sanctuary for sleep as well as privacy.Energy EfficiencyYour 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. Thick, Premium FabricMade of sturdy polyester material with white lined backing, these long, classy drapes feature a high-quality design that won't fade in the sun or after a few washes. Durable Metal GrommetsEach curtain panel features eight silver grommets that are much sturdier and longer lasting than flimsy plastic ones. They also add a sophisticated finish. Each package contains two (2) Amalfi blackout window curtain panels.