They do an excellent job of removing dirt and smears from my glasses.

You know when you wipe your glasses with the corner of your shirt and it just smears the dirt around and doesn't really clean them, but then when you use a cloth that's specifically made for wiping glasses the whole world is suddenly crystal clear

The microfiber cloths are effective and remove unwanted dirt and smudge marks.

Works very well to remove dirt and smudges from eyeglass lenses