The 43.2 cm (17 inch) [368 x 229 mm] measurement refers to the size of the screen that the screen protectors on our website are designed to fit. Our website offers a range of screen protectors that are specifically tailored to fit screens of this size, ensuring that they provide optimal protection against scratches, smudges, and other forms of damage. Whether you're looking for a basic screen protector or a more advanced option that offers additional features such as anti-glare or privacy protection, our website has a range of options to choose from that are designed to fit screens of this size.