This Keyboard skin is designed for Apple keyboard with numeric keypad. (42cm long, 10.8cm high with letters 1.2cm high by 1cm lomg). It is designed to give users an easier and more accurate way to type on their notebook. Whether you are using word processing, spreadsheets, or any other computer applications, using the large print skin with large letters, numbers, and punctuation makes it much easier to accomplish your tasks. You can minimize your typing errors and reduce your eye strain. The skin is made of flexible and durable silicon that is sensitive to the touch yet tough enough to be washed even by an automatic washer. It also protects the keyboard from spills and dirt. Perfect for those who are visually impaired or just need a little bit more help with their eyesight.