The 26.4 cm (10.4 inch) [210 x 158 mm] is the screen size of a specific device that our website sells a range of screen protectors for. By providing the exact dimensions of the screen, customers can easily find the right screen protector that fits their device perfectly. Our website offers a variety of screen protectors that cater to different needs, such as anti-glare, tempered glass, and privacy filters. With our range of screen protectors, customers can protect their device's screen from scratches, cracks, and other damages, ensuring their device stays in top condition for longer.