3M Detachable Privacy Filter for PC - Convenient for using your computer in public places such as bullet trains, airplanes, and cafes. It can also be removed when not needed. - Unlike magnetic types, it has no "thickness," so your computer lid closes securely. - Size: 12.5 inches (See photo 3 for details) - Contents: Black privacy filter, cleaning cloth, 1 set of fixing stickers - Unopened product Thank you for viewing.