Target has 3M Indoor Window Insulator Kit – Patio Door for $4.48. Free in-store pickup or shipping is free on orders $35 or more. One kit fits one 6’8" x 9′ indoor patio door.
https://www.target.com/p/3m-indoo…A-14773970
These kits are great for keeping drafts out and heat in. They are very clear and work much better than the other brands I’ve used (Duck and Frost King). I have bought these for several years and this is the best price I have seen.
Next best price is $7.61 at Amazon and Walmart.
First post – please be kind!