3M Indoor Window Insulator Kit

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When the north wind blows, your curtains shouldn't! Fight back with a 3M Indoor Window Insulator Kit and take control of your energy costs. Nothing can rob you of heat like a poorl y sealed window. This film is ultra clear, so it won't block or distort your view. Plus, this handy five pack will insulate five 3' x 5' windows! Pick up your 3M Indoor Window Insulator Kit today and stay cozy this winter. Show more