Expert Shield - THE Screen Protector for: Sony A7R / A7S / A7 - 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 Sony 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.