Paper sheets are thin, flat pieces of material made from cellulose fibers, typically derived from wood pulp. They are commonly used for writing, printing, and packaging. Paper sheets come in various sizes, weights, and textures, catering to different purposes, such as office documents, art projects, and books. The production of paper sheets involves several steps, including pulping, pressing, and drying. The final product can be coated or uncoated, depending on its intended use. Common types of paper sheets include copy paper, cardstock, and newsprint, each designed for specific applications in everyday life and industry.