The 2 Pack Magnetic Hanging 20 to 22" Computer Anti Blue Light Screen Protector by Nusign is designed to provide privacy and protection for your computer screen. Made of acrylic material, the screen protector is compatible with all 20 to 22" computer screens and comes in a universal blue color. The hanging and magnetic features make it easy to attach and remove, ensuring a secure fit. With a 9H hardness and dimensions of 21.5 x 12.6 x 0.5 inches, this screen protector, privacy screen is a practical and stylish accessory for your workspace.