The 43.2 cm (17 inch) [368 x 229 mm] measurement is the size of the screen that our website sells screen protectors for. This size is commonly found in laptops, monitors, and all-in-one computers. By offering a range of screen protectors specifically designed for this size, our customers can ensure that their devices are protected from scratches, smudges, and other types of damage. Our screen protectors are made from high-quality materials and are easy to apply, providing a clear and durable layer of protection for the screen. With our selection of screen protectors, customers can keep their devices looking like new for longer.