10 pack tear-offs Allows you to keep your lenses clear of debris Off-Road Eye-wear Accessories from Dragon Alliance DIRECTIONS FOR USE Some goggle lenses are treated with a specially formulated anti-fog treatment. When cleaning the inside of the lens, take special care to avoid scratching. Use the provided goggle bag or a soft cotton cloth to gently blot & dab excess moisture. Rubbing the lens may scratch the lens and impair anti-fog treatment.