The 35.8 cm (14.1 Zoll) [312 x 176 mm] is the screen size and dimensions of a specific device that our website sells screen protectors for. It is important to know the exact size and dimensions of the device's screen in order to ensure that the screen protector fits perfectly and provides optimal protection. By providing this information on our website, customers can easily find the right screen protector for their device and avoid any potential issues with compatibility or fit.