Blackout curtain are made of 100 percent high quality polyester fabric. Imported, each blackout curtain panel has a foil printed wave lines with dots pattern and they are silky, soft, drapery and soft to the touch.These room darkening curtains obstruct the sunlight from getting into any room at any time. Added to the light blocking functions, these curtain drapes provide utmost privacy as they are not see-through.The thermal insulated curtains help in saving on energy cost as they reduce the amount of heat lost in cooler months and reflect heat in the summer. These insulating curtains are sound barrier that reduce noise from busy streets or noisy neighbors.