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About this item

• Designed for interior use on windows
• Accommodates up to 4 standard sized windows
• Shrinks with hair dryer and applies with included double-faced tape
• Each sheet measures 62 in. L x 42 in. W
• Helps R-value increase up to 90%

Frost King's Indoor Window Insulation Kit (4-Pack) provides shrink film to insulate 4 standard sized windows to help increase their R-Values up to 90% for energy-saving efficiency. Shrinks with hair dryer (not included) and applies with included double-faced tape.