The 28.2 cm (11.1 inch) [245.2 x 138.1 mm] is the screen size of a specific device for which our website sells a range of screen protectors. Knowing the exact screen size is important when selecting the right screen protector to ensure a perfect fit and maximum protection. Our website offers a variety of screen protectors for this device, including tempered glass, anti-glare, and privacy screen protectors, all designed to keep the device's screen safe from scratches, cracks, and other damages. With our range of screen protectors, customers can choose the one that best suits their needs and preferences, and enjoy peace of mind knowing their device is well-protected.