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Joke aside, I don't get this, why not bring a reusable microfiber towel instead, they can be quite small and lightweight.
It also doesn't make sense because even the small ones are about 2" wide at least.
These can be used in interesting ways. There are some small ones that can be placed below a shutoff lever and if it soaks up any water it presses the lever and shuts off water to an appliance.