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6 months is the average shelf life under normal storage conditions. They don't taste too bad for up to about a year. In our fire station house fund, a box with a bunch of sealed small cheetos bags was misplaced so that we didn't eat them for a couple of years. They not only had a bad texture, something had changed in them chemically and they had a horrible sour flavor. We couldn't even give them away.

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14y ago

What else can I help you with?