Wearing PPE in a store but not actually able to see out of your glasses or face shield due to fogging up? With this KeySmart FogBlock Anti-Fog Solution you will no longer have to worry about not being able to see every 2 minutes. Simply spray it onto your glasses / sunglasses / face shield, wait 5 minutes and have 24 hour protection against fog. Anti-fog solution A major complaint of all glasses wearers is that when wearing PPE, people cannot see and are constantly having to take their glasses off every few minutes to wipe off the fog. With this anti-fog solution, you no longer have to worry about this and can instead wear your PPE comfortably, without worrying about not being able to see. Safe for all lens This formula is safe for glasses, sunglasses, eyeglasses, goggles and more. Simply spray and go A real benefit of this is that you don't need a cloth or wipe to use the spray. Instead you can simply put a couple of sprays onto your glasses, leave it for 5 minutes and then wear your PPE with no issue. Long-lasting formula This non-toxic, anti-fog, streak free formula lasts for up to 24 hours per spray. Travel-friendly This is the perfect size to take with you on your trips. It is 1fl oz so will fit through airport security and also can easily fit in your bag or pocket.