The size of the ads displayed on your site, for example, a 120x600 pixel skyscraper. All formats can be viewed on our example ads pages.
Different ad formats may support different ad types, such as text, image, or video ads. Ad formats also vary in the number of individual ads they display. For example, the banner ad format will display up to two ads horizontally across the page and the skyscraper will display up to four ads vertically.