The 55.9 cm (22 inch) [475 x 297 mm] measurement is the size of the screen that our website sells screen protectors for. This size is commonly found in computer monitors and some televisions. By offering a range of screen protectors specifically designed for this size, we ensure that our customers can protect their screens from scratches, smudges, and other 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.