What would you call a float tube?

Would it be considered a personal floatation device? I’m aware the weather is starting to cool off and it probably isn’t a good idea to use one, but my hubby and I are looking into buying one for each of us. If not this year, maybe in time for summer next year.
LMFAO @ “a highly sophisticated one-person watercraft built just for fishing that can be armed to the teeth with the latest in technology…”

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