Our products use advanced Nano-technology? with the nano-cellulose materials which extracted from natural plants to replace the traditional low-efficiency anti-fogging agents. The ingredients are safe and non-irritating, and the fog can be dispersed quickly. With one simple wipe, the anti-fogging effect can last for 48h. The premoistened wipes can not only meet the cleaning requirements, remove oil and dust, the liquid on the screen can quickly evaporate, and wipe the screen without leaving a trace. Lint Free and Scratch Free The wet wipes are made of lens care paper,super soft and safe for lens. It's soft and delicate in texture,tough and not easy to break, and will not shed chips and leave no residue during use It's save for any sensitive lens,use for eyeglass,goggle,helmet,visors,screen,and camera lens,etc.