Our screen protector coating contains polymers, isopropyl alcohol, butyl glycol. It's safe and effective, easy to use, waterproof with high clarity and transparency. Its application method is simple: clean the filter screen with alcohol first, wipe off the alcohol just used on the screen, spray the nano coating solution, and evenly apply the nano coating solution. It can also protect and clean the screen
These are very well made, not this and cheap made. I will be using these at my wedding my only down fall was I have more than 100 guest but less than 200 so I couldn't get 2 boxes wish they also came in set of 25