The 43.9 cm (17.3 Inch) [383 x 215 mm] is the screen size of a particular device, and our website sells a range of screen protectors specifically designed to fit this size. Screen protectors are an essential accessory for any device, as they help to protect the screen from scratches, cracks, and other types of damage. Our range of screen protectors is made from high-quality materials and is designed to provide maximum protection while maintaining the clarity and sensitivity of the screen. Whether you are looking for a basic screen protector or a more advanced one with additional features, we have a range of options to suit your needs.