Thank you for viewing. 3COINS Anti-Fog Cloth New, Unused - Recommended for anti-fogging of glasses, smartphones, mirrors, watches, cameras, etc. - Prevents fogging of lenses just by wiping. - Effective for 24 hours per use, can be used approximately 300 times, and can last up to 12 months. *Varies depending on the usage environment. - Easily removes fingerprints and grease from lenses with a light wipe. *Please note that the anti-fog effect may diminish if you wipe away heavy dirt. - Can be used on plastic lenses and anti-reflective lenses. Please purchase if you understand that this item has been stored at home.