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How to keep food cold minus ice or ice packs

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How to keep food cold minus ice or ice packs

Kari | Feb 28, 2007 01:20 PM

Ok so were going to flying for 4 hours during the lunch time. I would like to bring some food like sandwiches. Since you can not take any kind of liquid through security, I was wondering what else would work?

I was thinking frozen grapes or taking empty gallon baggies and seeing if I can get ice after security from maybe a fast food place? Any other ideas?

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