13.3 inch Laptop Privacy Filter Anti-Spy Screen Protective Film For Macbook Air,Filter Anti-Spy Screen Protective Film For Macbook Air 13.3 inch Laptop Privacy, It is made of micro-louver optical technology, so that the screen data can only be read by the user from the front 90 degree angle of view, and only the black screen can be seen on both sides,Applicable Products: For MacBook Air, Product Type: Notebook privacy film, Made of high quality materials.Macbook Air 13.3 inch Laptop Privacy Filter Anti-Spy Screen Protective Film For.