Mondpalast LCD Screen Protector Glass LCD Cover for Nikon D7100 Package Included: 1 x SCREEN PROTECTOR PRO. OPTICAL GLASS It is rigid and made of optical glass material, which achieves HIGH transmittance (higher than plastic LCD screen protectors). Only 0.5mm thick with 6 layers of coatings and UV Protection. Optical glass strengthened through special crafting process. Prevent scratches, collisions and moderate impact to the LCD screen.