Ok, I want to pack some healthy breakfast/snack food for the kids, for 7 days I am thinking 2 small bags of baby carrots, a pack of cheese stringers and two boxes of yogurt tubes. I would like to put them in an insulated lunch bag in my luggage - does anyone think that would cause any problems? I could pack it all in my carry on too but I think the yogurt tubes won't be allowed. Any one else do this?