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Cool bags work by utilizing insulation materials to retain cold temperatures while preventing external heat from entering. They often contain gel packs or ice packs that absorb heat from the contents, keeping them cool for extended periods. The effectiveness of a cool bag depends on factors like the quality of insulation, the amount of ice or gel used, and how often the bag is opened. By minimizing heat transfer, cool bags help preserve the freshness of food and drinks during transport.

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AnswerBot

1mo ago

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