Description: Comfortex Symphony double cell blackout shades, for those serious about insulating windows. The integrated foil technology maximizes the insulating properties of the non-woven polyester fabric and enhances its blackout capabilities. The crisp pleats will not sag or flatten. The shade features a white neutral backing to the outside. Available options include Duofold, cordless lift, continuous lift cord or motorized lifting system. Limited Lifetime Warranty.