AUGEN Dry Anti-Fog Cleaning Cloth | New Technology for Spectacles, Eyewear, Glasses, Goggles,Camera Lens, Antifog with Masks - Has Advanced Nano

Wash the Lenses carefully before using AUGEN cloth to wipe on surface to scratches. | Use AUGEN cloth to wipe the lenses by rubbing both sides of the lenses for 5-10 times or breath out to the lenses to create fog before wiping. | Each AUGEN cloth can be used up to 600 times but it also depends on the size of the lenses. | The lenses will stay fog free for approximately 72 hours if humidity is around 60. but it will last at least 24 hours. | This cloth is non-washable