If you wear glasses, you know that PPE masks and specs don't play nice together. Thanks to FogBlock™ Anti-Fog Spray for Glasses, you don't have to put up with fog and frustration any longer. This anti-fog spray solution and lens cleaner lets you see clearly all day long by preventing annoying fog buildup on glasses. Safe for all types of lenses, this non-toxic anti fog spray for prescription glasses helps ensure streak-free vision. 1 fl. oz.