A baseball card is a small card printed on heavy paper stock, featuring one or more baseball players. The typical format for a card is to have an image of a player on the front, with information such as statistics on the back. While baseball cards may be of any size, the standard size in the industry is 2-½ inches by 3-½ inches (on most cards, the image is oriented vertically so that 2-½ inches would be the width, and 3-½ inches the height).