Bananas used to be super rare in South Korea, which just doesn't have the climate to grow them. It wasn't until shipping links were set up with a Dole plantation in the appropriately hot Philippines that the fruit started to show up in Korean supermarkets.
Being previously exotic, the banana is not a thing to be wasted. That's why South Korea's SSG Market packages them like this:
The "One a Day Banana" packaging arrangement is, of course, far superior to buying them in a bunch that all go bad at the same time.
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