FOG STOP CLOTH Powerful Anti-Fog Fog Stop Cloth Set of 2 [Quantity] 1 cloth per pack x 2 [Material] Cloth: Polyester, Nylon [Size] 15cm x 18cm [Ingredients] Water, Surfactant [Seller] Simon Co., Ltd. [Uses] Provides long-lasting anti-fog effect simply by wiping eyeglass lenses. Can also be used on sunglasses, goggles, etc. *However, please follow the lens instruction manual. *The effectiveness and duration of the anti-fog effect vary depending on the usage environment. [How to Use] Remove any dirt from the lenses before use. Wipe both sides (front and back) of the lenses evenly with this product 5-10 times. It is more effective to wipe while lightly breathing onto the lens. After use, store in the included zipper bag to prevent drying. [Number of Uses] For eyeglasses, one cloth can be used approximately 250 times. This product uses microfiber. After the anti-fog component is gone, it can still be used as a lens cleaning cloth.