What are rack cards? Rack cards are generally tall and narrow and got their name for fitting nicely in a display. They are often used to target prospective customers or guests in areas with heavy foot traffic, like a tourist kiosk, tradeshow, or conference and drive people to your website Rack cards are a versatile product and can be used for more than just display brochures. Rack cards can also be used for Price Lists, Gift Vouchers, Food Menus, Invitations, Postcards, Promotions, Events, Accommodation, Attractions and Specials. Rack cards come in many different shapes and sizes, so finding the right type of card for your needs is easy. Choose from A6, A5, A4, A3, square, DL or even a custom shape.