The JJC LCD Screen Protector is made of 0.5mm thick ultra hard PMMA, it protects your valuable camera’s screen from dirt, scratches and oily fingerprints. Plus, it blocks UV rays while allowing 92% visible light transmission so the images you see are not affected. It is easily mounted to your camera’s LCD screen with an adhesive backing. Once it is properly aligned it is smoothed down with a clean cloth and you are ready to go.