Cat Crap Spray On is the same widely-renowned, anti-fog Cat Crap solution in a liquid spray. To use this anti mask fog spray, simply spray on, then wipe off for improved clarity. This one-ounce bottle holds enough Cat Crap for multiple uses. It is safe on all optics and lenses, including coated lenses. It's great as an eye glass cleaner. Also great for sunglasses, swimming goggles, ski goggles, and more. Made in the USA.