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. Our website offers a variety of screen protectors that are specifically designed to fit this device's screen size, providing customers with peace of mind that their device is protected from scratches, cracks, and other damage.