1.Clean lens at first for a better outcome and performance

2.Wipe each lens for 10 seconds evenly

3.Store cloth in the zip-lock bag provided and to be sealed

4.If needed, repeat steps 1 and 2

5.Please do not wash. If too dry, you can spray a little water.

This anti-fog cloth contains hi-tech nano material and ingredients. The product nature is stable and has good anti-fog effect. It can be used to wipe each kind of lens, mobile phone and computer screen. After wiping, it could prevent the fog forming on the lens or screen. Also, it can prevent fog when you wear the face mask and go outside in the winter. This product is safe and harmless to your health, causing no scratch or harm to surface of glasses, explosion-proof membrane, resin, rubber etc.. Meanwhile it has multi functions such as anti fogging, cleaning, dust proof, static free.