LBG Products Window Air Conditioner Foam Insulation Panels,AC Side Insulating Panel Kit,2 Pack,Black, 17in High x 9in Wide x 7/8in Thick

For a good quick fix

Good value. Significant improvement over cheap plastic that comes with unit You will want a pair of good scissors and ideally wire cutters or sonething that can snip through thin hard plastic. With those things, you can fully customize this to fit your window.

Best product for window air conditioners

Works great and very easy to install,. Just cut to fit. However its stinks pretty bad, hopefully that goes away soon.

Literally the worst thing ever. The adhesive panels are way too long and you cannot cut them + the foam has a disgusting smell like bugs + it does not insulate