carusoam Posted October 7, 2021 Report Posted October 7, 2021 Food packaging like snack food bags… are designed to hold together at 9k’. Typical commercial plane cabin altitude… So… there is a small margin for error… but not a whole lot… Learned this shipping packaging samples around the globe…. Expect to hear some reports from the back if you fly in the O2 levels…. For ziplocked snacks don’t forget to squeeze the excess air out… Kids love the experiments…. Empty water bottles crush themselves on descent… Best regards, -a- Quote
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