If you're looking for Natural Brown, depending on the year of your car, this is what I'd do.
https://www.ebay.com/itm/324689689573?hash=item4b99037be5:g:Xg0AAOSwafVg1LG L
https://www.ebay.com/itm/234074086913?hash=item367fe71e01:g:qbsAAOSwu4lg318 v
I'm tempted to buy these and just stash them away for the right project. You won't find another set of these anytime soon...