1 oz Cat crap multi-use anti fog spray for optics, coatings or eyeglass lens cleaner. To use the anti-fog spray, simply spray on, then wipe off for improved clarity. This one-ounce spray-on bottle holds enough Cat Crap for multiple uses. It easily fits in your bag or pocket for easy-access and the size is perfect for travel. Can be used safely on all lenses, including eyeglasses, sunglasses, ski goggles, safety goggles, swimming goggles, and a variety of other types of eyewear. In addition to keeping your lenses clear and free of fog, this spray also repels lint and dust, and is designed to provide protection from mild scratches