Pay in 4 interest-free payments of $2.69 Learn more
Ships within 48 hours · Estimated delivery Jul 30 - Aug 4
replaces most fiberglass and aluminum door cables
Tri-layer covering with UV (ultraviolet) protection designed for 1 year use
Say goodbye to drills
glues or pins used in the installation
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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 replaces most fiberglass and aluminumThe 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.
