11.6" Anti-Glare Laptop Privacy Filter for Apple MacBook Air 11-inch 258mm (W) x 145mm (H) Keeps your personal or confidential information safe from prying eyes. You'll see the information on your display while people on either side only see a darkened screen. Maintain confidential and private information with privacy filter when viewed from the side Actual filter dimensions are 258mm wide x 145mm high . Reversible, matte side reduces glare and reflections.