When it comes to business cards, square is the new black. Here are four free business card templates in 2.5 inches square business cards. Square business cards are smaller, making them easier to keep in your customers’ drawers for future reference. They are also unique and will surely stand out when put side by side with their rectangular counterparts. The front of the card includes only the basic information you need to put in a business card such as name, profession, address, telephone numbers and email address.