These safety glasses are great! I work as a welder; so there are plenty of things I do that will scratch safety glasses, these have held up to the test so far. I don't carry a special non-scratch cloth with me I use paper towels or napkins to clean them. They still look brand new! I especially like the 2.5 magnifier. I read prints a lot and require reading glasses; now I don't need to change glasses to do this.