Are there different types of holes in pen caps?
Yes, some pens feature one large hole while others use multiple small vents depending on the brand’s safety design.
Does the hole affect how the pen performs?
No, it doesn’t affect performance negatively. If anything, it keeps the ink fresher and makes the pen safer to use.
Are there other common items with similar hidden safety features?
Absolutely! Toy parts, water bottle caps, and even some food container lids include similar ventilation designs to prevent choking hazards.
In Conclusion
Sometimes the smartest inventions are the simplest. A small hole in a pen cap may seem insignificant, but it reflects a careful balance of safety, functionality, and thoughtful design that improves everyday life without most of us even noticing.
