9-Pack Frost King V73/9H Indoor Shrink Window Kit (42" - 62")

Frost King V73/9H Indoor Shrink Window Kit 42-Inch by 62-Inch, 9 sheets. Clear

This product adds a great value
Product is highly durable and very easy to use
This product is manufactured in China
If you want to open your windows in the warmer months, you'll need to take it off. Otherwise, sunlight and normal stress can also make the tape fail eventually. For a good seal, it's probably best to re-apply them every year.