Paper size a number of different sizes were defined for large sheets of paper, and paper sizes were defined by the sheet name and the number of times it had been folded. Thus a full sheet of "royal" paper was 25 × 20 inches, and "royal octavo" was this size folded three times, so as to make eight sheets, and was thus 10 × inches. Imperial sizes were used in the United Kingdom and its territories. These sizes are no longer commonly used since the UK switched to ISO sizes. Many of these sizes were only used for making books (see bookbinding),
One sheet of film posters themselves. Film posters sold in general retail are in poster size, . Prior to 1985, the majority of film posters sent to cinemas were folded before mailing and, on rare occasions, they were instead rolled and shipped in tubes. While today there are several ways to eliminate these fold lines, many purists prefer film posters in their used condition. In music publicity and distribution, a one-sheet is exactly what the name implies: One sheet of paper, on which information is provided about the musician and/or a specific release which is being distributed. One-sheets often accompany a record