We manufacture C-Clear, an anti fog, anti static lens cleaner for eyeglasses, sports masks and goggles, military masks and face shields, and safety glasses used in industry.C-Clear Anti Fog has been proven to work in the most extreme conditions. From Mt. Everest and Antarctica expeditions to military use on night vision goggles and chemical safety masks. It is safe to use C-Clear "anti fog" lens cleaner on any plastic or glass surfaces including polycarbonate lenses with special coatings. C-Clear WILL NOT harm any glass or plastic surfaces or damage any type of surface coatings including anti-scratch, polarized and anti reflective coatings. C-Clear can be used on paintball, airsoft, tennis, ice hockey, football and baseball masks, sunglasses and goggles. Our anti fog lens cleaner works for 99% of all sports applications. No product can claim 100% effectiveness.If for any reason you want to return your purchase, simply mail it back with a copy of your order form and we will refund 100% of your money, less actual shipping costs.C-Clear anti fog is available only on our website - http://www.c-clearantifog.comTerry - CEO & President, C-Clear