Amzer Mirror Screen Protector with Cleaning Cloth for Motorola Charm MB502 Amzer Mirror Screen Protector is like a mirror that prevents your Touch screen from getting scratched. This screen protector is made of thermo-plastic polymer. Looks and works like a mirror when your Motorola CHARM's screen is shut off. Once the screen is activated, screen contents appear like normal. Non-adhesive backing will not leave residue when removed.