Keep confidential information on your computer screen private with the Port Designs Privacy Filter 2D 17" 16:9 Screen Protector. Ideal for privacy when working in an office or during travel, the screen protector prevents anybody located laterally at more than a 30° angle from seeing anything that's on your screen.It can protect your screen from scratches and dust, whilst the anti-glare design means you'll be able to use your device comfortably.