About 100 people choke on pens each year in the U.S. Roughly 100 people choke on pen caps per year in America, which is why BIC adopted their iconic holed caps. The hole not only serves as a design feature, but it makes sure that a person can breathe even if they ingest it.
100 Mind-Blowing Pens Facts
In modern times, the most commonly used graffiti materials are spray paint and marker pens.