Expert Shield *Lifetime Guarantee* - THE Screen Protector for: (Canon EOS 5D MKIII / 5DS / 5DSR Anti Glare) Your Expert Shield is coated with a special matte finish to reduce glare. Your Expert Shield comes pre-cut to the size of your Canon screen. Your Expert Shield comes with a no bubble guarantee. Your Expert Shield also comes with a no scratch guarantee. Actually, your Expert Shield is pretty much guaranteed to make you happy (we guarantee it for life!). Because we love you.