I have never considered an odorless and pet friendly floor mat. Always selected one based on looks and fit. I certainly hope they don’t smell. Pets stink.
5. Odorless is important to me, not just for the pets, I've gotten mats in the past that had some pretty strange and unpleasant odors. Overall pet friendliness (Assuming you mean from a safety/health view) is somewhat important, as I do carry dogs frequently;