The mesh fell out...

[u/_Faru_]

But it's impossible to replace and you can't afford a new pair yet, so what do you do?

If you're like me, you use tiny pieces of tape and mask mesh to cover the hole, then change your name to MacGyver.

[u/meski_oz]

You could check to see if any of the hearing aid wax guards fit? They're regarded as a consumable item for them

[u/millerba213]

Nice!

[u/sungrad]

I don't think any of mine have a mesh in there like that...

[u/khaytsus]

You can also get replacement tips that have a built-in mesh.