A composition notebook is a type of notebook commonly used for writing, drawing, or taking notes. 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 they often come in various sizes, with the most common being 9.75 x 7.5 inches. These notebooks are popular in schools and among students for their durability and affordability. They are often used for subjects like English, math, and science, making them versatile tools for both academic and personal use.