Frost King Outdoor Window Insulation Kit 42 x 62 V93A

Outdoor use only, plastic stretch film installs easily from the outside. Apply double-face tape to metal, painted wood, vinyl siding, or trim. Stretch plastic film taut to tape to avoid excess wrinkles at top, sides, and bottom. Trim film with scissors or razor blade. Effectively reduces drafts, maintaining lower energy costs. Increases R-value of single-pane window by more than 80%.