Are Exercise Books exclusively made of paper, or are there other materials used in their construction?

Exercise Books are typically made primarily of paper, as this material is versatile, affordable, and widely available for use in educational settings. Paper allows for easy writing and erasing, making it ideal for students to jot down notes, complete exercises, and draw diagrams.
However, it's worth noting that while paper is the primary material, Exercise Books may also incorporate other elements or materials in their construction to enhance their functionality or durability. For example:
Bindings: Exercise Books may have different types of bindings, such as spiral, saddle stitch, or binding, which can affect their durability and usability. These bindings are not necessarily made of paper but are an integral part of the book's structure.
Covers: While the cover of an Exercise Book is often made of cardstock or another type of heavy paper for durability, some may feature laminated or coated surfaces for added protection against wear and tear.
Specialty Materials: In some cases, Exercise Books may incorporate specialty materials or coatings to improve their performance. For instance, some paper may be treated to be more water-resistant or have a higher level of opacity to reduce bleed-through from one page to another.
Ultimately, while Exercise Books are predominantly made of paper, their construction may also involve other materials and techniques to meet the specific needs and requirements of educational settings.