This Composition Notebooks : We use 100 gsm acid-free paper in a light ivory color, High quality paper is the foundation of our journals. This hard cover journal features a water-resistant vegan leather cover, rounded corners designed to lay and open flat ithout compromising the integrity of the spine. This A5 notebook includes rounded corners, 240 pages, 100 gsm ivory paper – thicker than many other journals, 1 sturdy expandable inner pocket, 1 ribbon bookmark, and an elastic closure band. The classic black PU diary is sturdy and dirt-resistant, and the paper is thick and strong. If you don't love the Hardcover Executive Notebooks for any quality reason, Just return it and we'll replace it or send you a refund. Customers satisfaction is our greatest pursuit and high quality is always our goal.