We are flying to Detroit from Phoenix in several weeks. We always take a lunch packed in a small portable cooler. We usually take a small botle of ,ilk several sandwitches and fruit. I understand that we can't take the milk but what about the rest. The cooler has a icepack whcih we put in it to keep tings cool. We would hate to have secutity tell us that we can't take it on board. We all know that South west Airlines doesn't serv food on their flights so it's necessary to take one's own food on the longer flights.
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