POWERFUL AND ORGANIZED STORAGE: The notebook or notepad slides into the center slot with the back cover, the side is designed with a pen loop to hold your favorite pen for easy access at any time, there is also a smaller slot for receipts and cards, and a slot on the lower left side designed for cell phones. LEATHER ENVELOPE FOLDER SIZE: The expanded size is 17x8.74inch (43.2x22.2cm), and the folded size is 6.88x8.74inch (17.5x22.2cm), making it ideal for A5 notebook. It's simply the perfect size for all your needs! WATERPROOF MATERIAL: Our leather notebook cover is made of high-quality PU leather material and reinforced stitching, making it more durable than cardboard ones. VERSATILE USE: This leather binder is perfect for study, classroom, drawing, group projects, outdoor learning and more. It is popular with nurses, business people, lawyers, men, women. BEST GIFT: This leather briefcase is an impeccable gift for back to school, Valentine's Day, Easter, Mother's Day, Halloween, Thanksgiving and Christmas.