Welcome to our store! Wide Compatibility: This 22-inch laptop screen filter is compatible with HP, Dell, Acer, Asus, Samsung, ViewSonic, etc., providing professional-grade results. Restricted Viewing Angle: The filter limits the viewing angle of the laptop screen to between 30 and 60 degrees. The person directly in front of the laptop sees the screen clearly, while those to the sides cannot. Eye Protection: The upgraded film protects your eyes by filtering out 96% of UV rays and suppressing 65% of blue light. It's also anti-glare and scratch-resistant! Wide Application: Perfect for maintaining screen security in high-traffic areas such as open workspaces, airports, airplanes, cafes, office environments, financial institutions, and other public places. Visual Effect: The computer screen protector preserves the original color and brightness of the laptop, ensuring fantastic visuals without compromising protection. Item Type: Laptop Screen Filter Material: PET Size: 22 inches, approx. 475x297.5mm/18.7x11.71in Package List: 1 x Laptop Screen Protector 1 x Cloth 2 x Adhesive Tape 12 x Double-Sided Adhesive Tape If you encounter any product problems after receiving the goods, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory customer service.