Perhaps just as important as the food you pack for your car trip are the cleanup supplies that go with it. Messes will happen no matter how carefully you pack. Bring along plenty of baby wipes for cleaning little faces. Hand sanitizer keeps the germs from traveling with you, while napkins and paper towels tackle big messes. Don't like all the paper waste? Try Mom's time-tested solution for road trips: a wet washcloth in a plastic bag.