- Anti-fog suede designed for glasses, lenses, and helmets, effectively prevents fogging. - Provides up to 12 hours of anti-fog effect per application, ideal for daily use. - Reusable up to 300 times, maintaining its protective capacity with each use. - Compatible with prescription glasses, sunglasses, diving masks, camera lenses, helmet visors, and binoculars. - Does not scratch or leave lint, caring for the surface of your lenses and visors. - Pack of 4 units, perfect to always have one on hand at home, work, or while traveling. - Made of high-quality microfiber, easy to use and carry.