Back up your contacts with that old rotary filing index and fill it with these file cards. The finished size is 2.125" x 4." They are also available in two different card stock thicknesses: 65 and 67 lb., along with a wide variety of colors. This layout specifically has two index cards per page, with 500 sheets in a ream, yielding a total of 1000 individual cards with the tabs located on the right. These file cards will work on all copiers, digital, and offset printers. The perforations tear off easily and will give a smooth edge. The customizations are endless! * Other paper stocks and colors are available on request