If you want to help in prolonging the life of your keyboard, then the Surface Keyboard Seal for Protection is an essential accessory for you. This seal is well manufactured and made of quality materials that are precision manufactured to prevent dust, spillage, and other unfriendly objects from getting close to the keyboard. The internal/external custom fit means the cover will snugly fit over the keyboard so that it does not interfere with its functioning. Our product is also certified to be of good quality by ISO9001 and IATF16949 which guarantee satisfactory performance. Don't let anything ruin your investment, and make your every typing experience better with our Surface Keyboard Seal.