This is an OEM 3M wide-screen laptop privacy filter designed to fit screen sizes of 12-1/2" diagonally measured. It ensures that screen data is visible only to persons directly in front of the monitor, enhancing your privacy. The filter maintains consistent, high-quality touch responsiveness for your device while helping to protect your fragile LCD screen from damage. Additionally, it minimizes distracting screen glare, making it ideal for both personal and professional use.