Pop open a fresh box of Bic Cristals and you’ll come face to face with a bunch of holes. As an everyday function, that hole in the pen cap equalizes pressure so that uncapping and capping the pen ...

Is it a mistake? It’s no mistake. In 1991, companies including BIC began designing each ballpoint pen cap with a tiny hole at the top, leaving many to wonder what it means and the purpose it ...

The idea of perforating the caps of pens appears to have started in the United Kingdom, where a new safety standard was adopted in 1990 (BS 7272). Between 1970 and 1984, nine children in the ...

Companies like Bic know this well—so they make pen caps ... according to the standard [PDF]. Pen cap inhalation is a real danger, albeit a rare one, especially for primary school kids.

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