Abstract: An armrest includes a lower box having an insertion portion adapted to be inserted into a console box, a center box mounted on an upper side of the lower box and being angularly movable rearwardly, and an armrest lid mounted on an upper side of the center box and being angularly movable rearwardly. The console box has a lid secured to a body of the console box by a mounting mechanism, and the insertion portion is fixedly secured to the console box utilizing the mounting mechanism after the lid of the console box is removed from the console box. Each of the lower box and the center box has an article-holding container space. The center box has an upper portion extending forwardly progressively from a lower to an upper end of the upper portion, and the armrest lid is mounted on the upper portion of the center box.