These little micro fibre cleaning cloths are useful cleaning items to have in your home. They work really well to clean all sorts of things. I have a couple cloths for different cleaning jobs. I have one for dusting because they really pick up and grab ahold of dust well. I also have a second for polishing glass mirrors, which it is also good at. You don't even need to use a cleaner to polish mirrors. You just wet one corner of the cloth, polish in circles, and then dry with the other corner, and bingo! Nice clean mirrors. They are affordable and reusable. They're a good thing to have.