Okay, the truth is that since I have used quite a few cloths for windows from various companies, I can't say that I was blown away. It also leaves its lint. Also, like all cloths, this one will fog up the windows with a little extra product. Generally, if you don't clean them beforehand with water and soap, no cloth is going to work magic. But overall, no, I wasn't thrilled. I can do my job with a more economical option