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How can I keep my food cold?

All our Carry Bags are insulated, and include a place for the PlanetBox ColdKit, which keeps food cold. Additionally, it can help to pack food that needs to stay cold the night before and put the entire lunchbox in the refrigerator overnight– that way the stainless steel lunchbox itself is cold at the start of the day. Add the dry foods in the morning and you are set to go.