A business card is usually a piece of paper containing the name, address, and contact information of the person giving the card. Information contained on this piece of paper also includes the business name or the company affiliations of the giver.

Hook-loop fasteners are a two-faced fastening system whereby one face is covered in tiny nylon fibers with little hooks on the ends of them, and the other face is covered in tiny nylon loops. When the two faces are pressed together, some of the hooks burrow in and catch onto the loops. The tighter the two faces are pressed together, the more catches that are formed.