Do it Best 42 In. W. x 62 In. L. Extra Strength Indoor Window Insulation Kit (3-Sheets) Pack options:Pack of 1 A lower gauge and weight

A lower gauge and weight product

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glues or pins used in the installation

replaces most fiberglass and aluminum door cables

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Do it Best 42 In. W. x 62 In. L. Extra Strength Indoor Window Insulation Kit (3-Sheets) Pack options:Pack of 1 A lower gauge and weightThe Do it Best Extra Strength Indoor Window Insulation Kit is designed for high traffic areas, offering twice the thickness of standard film to resist accidental punctures and increase R value by up to 90%. The crystal clear plastic sheet shrinks tight and wrinkle free with a simple hairdryer, providing a neat, energy efficient seal. It easily installs on metal, painted, varnished wood, or vinyl clad window frames using the included double face tape.