There is a category of comedy that is funny in part because it isn’t supposed to be. Many examples of this type exist subtly amid the multitude of material outputs of a developed or undeveloped country and, when found, might make you smile.

On the reverse side of a red ink rolling ball pen twin pack is a rectangular box enclosing the following message: “Helpful Hint – When using most liquid ink pens on an airplane, be sure to remove the cap with the point upward to avoid problems that could occur due to cabin pressure.” The pen manufacturer is Pilot.