The 30.7 cm (12.1 inch) [247 x 186 mm] is the size of the screen that our website sells screen protectors for. This size is commonly found in laptops, tablets, and other electronic devices. Our range of screen protectors is designed to fit perfectly on this size of screen, providing protection against scratches, smudges, and other types of damage. Our screen protectors are made from high-quality materials that are durable and long-lasting, ensuring that your device's screen remains protected for a long time. Whether you are looking for a clear screen protector or one with anti-glare properties, our website has a wide range of options to choose from.