These Rolodex Refill Cards come with a plain white background for more versatility when indexing and updating your contacts. Card refills are designed to fit most desktop rotary and V-file card files. Standard die-cut slots are interchangeable with other brands of card files. Made of high-quality 11-point index card stock. Choose from ruled or unruled white cards. Available in a variety of sizes to suite your needs. Rotary and tray Rolodex@ cards come in standard 4-inch x 2.25-inch sizes, and each business card Rolodex refill pack includes 100 inserts.