Product description Microfiber Cleaning Cloth 30 pcs: Microfiber Lens Cleaner Glasses Cleaning Cloth, Screen Cleaner,eyeglass cleaner. -20x Cleaning Cloths 6 x 7 inches (black) - 10x Cleaning Cloths 6 x 7 inches (grey) Lint-Free / Non-Abrasive / individual package /contain no harsh chemicals; 30-pack of ultra-soft cleaning cloths made of high-quality tightly woven microfiber material. Our lens cloth will never scratch thanks to the ultra-soft material,ensuring no coarse strings (won't scratch surfaces) Machine washable and reusable; Use anywhere: Ideal for cleaning oil and dirt of off any delicate surface like LCD TV screens, smart phones and other touch screens, camera lenses and filters, etc.Superior microfiber cleaning cloth quality will get any lens incredibly clean. One year Money Back:if you're not 100% satisfied, contact us for a full refu,Anyway, these new Micro fiber cloths will by no means scratch your screen,They come in little plastic envelopes so you can carry one in your purse, backpack, camera case, or even pocket.