Velvet Blackout Energy Efficient Window Curtain Panel: * 40"x84" * Cotton velvet window panel with acetate blackout backing * Machine wash cold, separately, do not bleach hang dry, warm iron on face side if desired * Blocks out light to completely darken rooms * Reduces outdoor noise * White Backing * Deep Dark Red Color * We recommend using two panels for average 40"-48" window * Insulates to reduce energy usage