MULTI PURPOSE: Anti-fog cloth is reusable and long-lasting, it will keep your, eyeglasses, camera, swim goggles, sports goggles, fog-free for about 24 hours. It also leaves your lenses with a perfect streak-free finish that allows you to see through your goggles clearer than you ever have before. PREMIUM MATERIALS: Made of special anti-fog technology with high quality microfiber material, lightweight, scratch-free, easy to take. You can prevent fogging on all types of eye-wear. Works great on glass/ plastic material. Keep the antifog cloth in the original bag and keep it sealed. Make sure the lenses are clean and dry before applying. Wash your hands after using it and keep it away from children.