M-D Polar Block Clear Patio/XL Window Insulation Kit 04283

SKU: 5684527
Regular price $7.96

Crystal clear film for use on interior windows to reduce cold air drafts. Improves the insulating R-value of windows up to 90 percent. Clear film shrinks tight and wrinkle free to prevent cold drafts and heat loss through window panes.

  • Width: 88 in.
  • Length: 110 in.
  • Thickness: 0.75 mil