3M™ PFMA11 Laptop Privacy Filter for the Apple® MacBook Air® 11-inch. The filter allows you to work privately in public places. 3M™ privacy technology darkens on-screen data when viewed from the side, and provides higher clarity than competitive filters. The filter application system features an optically clear adhesive designed specifically for display screens. Testing proves that, when kept clean, the filter can be repositioned hundreds of times.
Features:

3M™ PFMA11 Privacy Filter for the Apple® MacBook Air® 11-inch
Actual filter dimensions are 5 3/4" high x 10 5/32" wide
Helps keep on-screen information private; screen data is visible only to persons directly in front of the display
Will not blur or distort on-screen images
Users experience clearer, crisper images on-screen than with competitive filters
Protects your screen from dust and dirt
More scratch and scuff-resistant than competitive filters
Application adhesive specially formulated for display screens
Made in USA