Iconic Clear Anti-Fog Towelettes Formulated to effectively protect lenses from all types of fogging caused by cold, high humidity or sudden temperature changes. Safe for all surfaces, including polycarbonate and glass. Best when used with coated lenses. Streak and film free, alcohol and silicone free. Non-flammable and non-toxic. Description Protect your lenses from fog in 10 seconds with these convenient, on-the-go iconic clear anti-fog towelettes. Whether you are working in the field or skiing the slopes, foggy lenses, goggles, and face shields can range from annoying to downright dangerous. Take our iconic clear anti-fog towelettes along wherever life takes you to keep yourself fog free in a matter of seconds.