Liquid Performance 20/20 anti-fog cleaner safely cleans and protects all types of sports gear, clear plastic, Lexan, and glass when clear vision is a must. Specifically formulated to prevent fogging, this cleaning agent will protect your vision, even in harsh conditions. Liquid Performance 20/20 anti-fog cleaner contains no ammonia and will not damage optical coatings. It works great on goggles, glasses, face shields, camera lenses, windshields, rifle scopes, or any clear surface. The choice is clear--use Liquid Performance 20/20 anti-fog cleaner.