The Prostand textbook cover set is designed specifically to protect Russian language textbooks for first-grade students. Made from transparent PVC, these covers keep the books visible while shielding them from dirt, moisture, and general wear and tear that occurs during a school year. This pack includes six covers in two different sizes to ensure a proper fit. You will find four pieces measuring 262 x 425 mm and two pieces measuring 245 x 357 mm, providing a durable layer of protection for a young student's essential learning materials.