The 6.1 cm (2.4 inch) [36.98 x 49.29 mm] measurement is the screen size of a specific device for which our website sells a range of screen protectors. Knowing the exact screen size is crucial when selecting the right screen protector to ensure a perfect fit and maximum protection for the device. Our website offers a variety of screen protectors that are specifically designed to fit this device's screen size, providing customers with a hassle-free shopping experience and peace of mind knowing that their device is protected.