[ Rest assured to buy ] We strive to bring the best product quality, contact us immediately for any problems and we will provide you the best service!. [ Long Lasting Effect ] Each correct use can last 48 hours, the cloth can be reused for more than 700 times, with a moisture-proof high quality aluminum sealed package for portable use. [ Multifunction ] Applicable to glasses lenses, camera, screen, binoculars and more. Easy to clean and prevent surface fogging. [ Special nano technology ] formed an anti-fog layer on the surface to prevent the vapor condensation on the lens surface. The anti fog cloth will never hurt any lenses surface, no matter with special treatments, such as anti glare or transitional. [ Superfine suede material ] Extremely soft, scratch free, dry cloth without irritating smell, 100% safe.