When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
You'll have to do your own research, as car covers are constantly changing. I suggest that you search Amazon for indoor car covers and read the negative reviews. Breathability and non-abrasive liner are important factors in preventing mold and paint scratches.
When I cover mine inside, I use the 3M paint protection that body shops use. Light weight, cheap, replaceable, doesn't scratch, breathable if you don't try to seal it to the floor. Good dust cover.