Not so good... pass on this brand.
I normally buy a one step glass cleaner from a big box store. They are so much better.  This towelette is so small you can't fold it and clean both sides of the lenses at the same time! so you have to wipe each lens four times. front/back to clean, and front/back to dry.  If you let it air dry it dries with funk on it.
Rating: 1 stars