Experience a cozy and energy-efficient home all year round with our Indoor Window Insulation Kit. Designed for 9 standard windows, this easy-to-install kit effectively seals out drafts & cold, making your living space more comfortable while reducing energy costs. The kit contains 9 sheets 42" x 62" crystal clear shrink film sheets and a 1/2" x 165 ft. roll of double sided tape. The film shrinks tight and wrinkle free with an ordinary handheld hairdryer and provides excellent clarity for an outside view. The film is easily installed on clean metal, painted or varnished wood, or vinyl clad frames with the double-face tape provided. This Frost King Energy Smart product can save up to 35% heat loss in the cold winter months.