Electronic screens and stuff like that, I didn't trust them enough for my main glasses. Though I tested on a secondary pair I use for hazardous activities they did ok on glasses but for those think I prefer Magic Fiber brand because bit softer and have worked really well for my glasses. But for anything else I'd recommend them for. Said there was 100 seems like more, I didn't count them but was massive stack why I felt maybe more than 100 in my baggy lol they thinner than paper towel, yet I had a stack about 4 inches high in the baggy.Overall I give 5 stars for everything except important glasses you may need.For glasses that aren't really important to you a 4 star.I mean this just based on my experienced opinion, if you trust it don't let me stop you but understand I have been wearing glasses for 40 of the 42 years I been alive. I've used all sorts of cleaning cloths, these are bit to hard for my taste and also not singled out or individually sealed so dust and other particles could be hidden on any cloth at anytime and could cause a nasty scratch or scuff if overlooked. Just a warning to you, so don't say no one didn't warn you if you scratch something you wear and is very important to you or expensive to replace.Take care, I hope my review helps.
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