These Pre-Moistened Lens Cleaning Wipes are a simple, effective, safe way to clean plastic, polycarbonate, and glass lenses and surfaces.They?re perfect for eyeglasses, sunglasses, cell phone and tablet screens, computer monitors, mirrors, camera and other optic lenses,and are even safe for all lens coatings except Retina screens (such as anti-reflective coating).A single wipe removes smudges, dirt, fingerprints, and oils, with which it comes into contact.All without leaving streaks or scratches,so long as before wiping, you make sure the lens is free of any grit or debris that would scratch if rubbed over the lens? surface.Each box contains 100 sterile, individually-wrapped, pocket-size wipes, perfect to store anywhere or take on-the-go.Wipes are silicone-free, and lint-free, and provide anti-static protection.They aren?t overly moist and dry within seconds.Instructions:If there is any grit or debris on the lens, wiping may cause damage to any applied coatings or the lens, itself (since you?d be rubbing and pressing that debris against the lens surface).Check the lens before wiping to make sure the surface is free of any such particles that might scratch the lens during cleaning. Warning: Please NOTE: A.Please turn off the electronics while cleaning it. B.Please avoid cleaning solution flowing into the gap. C.Please protect the screen wipes against direct sunlight. D.Keep out of reach of children. E.Please Do not use it on any screens that are hot. F.Please refer to the manual of your electronic products to make sure if it is suitable in case the screen may be damaged. (NOT suitable for Retina screen of Mac pro) G. Not for use on contact lenses. H. Not intended for extreme or delicate surfaces.