A composition notebook is a type of notebook commonly used by students for writing assignments, notes, and creative work. It typically features a sturdy cover, often made of cardboard, and is bound with a sewn or glued spine. The pages are usually lined, providing a structured format for writing, and may include a margin on the left side. These notebooks come in various sizes, with the most common being 9.75 x 7.5 inches. They are often filled with graph paper or blank pages for drawing and sketching. Composition notebooks are popular in schools and are recognized for their durability and affordability.