A window includes a window that includes a first hole, a second hole, and a third hole between the first and second holes, a front protection film disposed on a front surface of the window that covers the first, second, and third holes, a first protection film disposed on a rear surface of the window that covers the first hole, a second protection film disposed on the rear surface of the window that covers the second hole, a cover disposed on the rear surface of the window and inserted into the third hole, the cover including a plurality of holes, and a cap disposed on the rear surface of the window and on the first and second protection films and the cover.