Ek Cat Crap Anti-fog Cleans And Polishes Glass And Plastic. Repels Lint And Dust. Prevents Fogging Of Lenses. Great For Eyeglasses, Ski Goggles, Swim Goggles, Face Shields, Sunglasses And Binocular Lenses.EK Cat Crap Anti-Fog Lense Cleaner Features: Simply rub it on and rub it off Voted the #1 anti-fog on the market! Made in the USA