The Prostand book cover set is designed specifically to protect Russian school textbooks for 8th grade students. Made from transparent polyethylene, these covers shield your books from dirt, moisture, and general wear, ensuring the pages and bindings stay clean throughout the school year. This pack includes 10 covers in two different sizes to accommodate various book dimensions. You will find five pieces measuring 242x425 mm and another five measuring 245x337 mm, providing a practical solution for keeping a full set of textbooks tidy and well-preserved.