Before the Elkmont we tent camped and a good ice chest was essential. The large 5-day one we bought has substantially thicker walls than the cheaper ones. And it does keep stuff cold for at least 3-4 days, as long as we needed back then.
But now with the Elkmont's frig and freezer ...
Anyway, the thicker the walls, the better the ice chest.
And it should be white and kept in the shade.
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