Benefits of using ZEISS Lens Wipes:High quality, micro-fine tissue,Independently tested,Convenient and portable,Safe for use on all glass and plastic glasses / spectacles, and other optical lenses.ZEISS Pre-moistened Lens Wipes have been specifically developed for the gentle and effective cleaning of glass and plastic glasses / spectacles (particularly effective for high quality, coated precision lenses). One wipe with the high quality, micro-fine tissue will remove fingerprints and smudges from daily use, and won't leave any scratches, streaks or residue. The wipes are individually wrapped, so you can clean your glasses at home or on-the-go. Alcohol-based, with both ammonia and fragrance-free, the wipes safely and thoroughly clean all optical surfaces, including cameras and binoculars. For touch screens we recommend ZEISS Smartphone Wipes and ZEISS Tablet Wipes. Gentle and thorough cleaning, Scratch free, Fast drying, Streak freewww.zeiss.com/cleaning