The 26.9 cm (10.6 Inch) [230 x 138 mm] is the screen size of a specific device for which our website sells a range of screen protectors. This size specification is important for customers to ensure they purchase the correct 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. By providing the exact size of the screen, we aim to make the purchasing process easier and more convenient for our customers.