Can not.
Ordinary stainless steel vacuum flasks do not have a pressure relief position (the lid is tight and does not leak), and the lid may be damaged when the gas evaporates.
In fact, just find a leaky cup lid (the cup is not tightly covered), and the effect is better than the dry ice bucket.
Dry ice vaporizes even in a thermos, creating pressure. Ordinary thermos cups can't withstand such a lot of pressure. Likely to explode.
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