Received item. Eyeglass cloth Eyeglass cleaner 2 bags included 1. The reusable anti-fog cloth is fine for dirt and dust, but only works on dry lenses. Therefore, it's best to clean wet lenses beforehand with a standard household cloth or a regular microfiber cloth. 2. Use the anti-fog cloth on dry lenses, just like a regular microfiber cloth. Light pressure is sufficient. 3. To check the anti-fog effect, breathe on the lens. If you're still not satisfied, repeat step 2. 4. Do not wash the cloth to maintain the anti-fog effect. It's best to store it in the sealed package until use. 100% Polyester. Made in China.