- Constructed from durable PVC material, our book covers are dirt-proof, waterproof, and lightweight, making them practical for everyday use. - Available in two sizes: - Small inner type: 15.5 x 11.5 cm - Large inner type: approximately 22 x 16 cm - Small book cover: approximately 17.5 x 13 cm - Large book cover: approximately 23.5 x 17.5 cm - Note: Please measure your refill papers before making a purchase to ensure a perfect fit. - Compatible with a wide range of items including notebooks, folders, scrapbooks, book covers, novels, and planners, these covers provide versatile protection for your essentials. - The transparent and waterproof design allows for easy visibility of your materials, making it ideal for students, teachers, office professionals, and anyone looking to keep their documents organized and protected. - Use this product to safeguard textbooks from spills and dirt in a school setting, keep planners looking pristine in your bag, or protect cherished scrapbook pages from wear and tear at home. - With their functional design and reliable performance, our book covers are a smart choice for anyone needing to maintain the quality of their documents while on the go.