Feature: 1. Comprehensive Protection: Waterproof, dustproof, file security. Protect your books from greasy fingers, dust, pen marks, grime and grime, and you can easily wipe away any residue that has splattered or spilled onto the cover 2. High Transparency Book Covers: Clear view shows the beauty of book covers. It's easy to identify and get what you need. 3. Material: The book cover is made of high quality plastic material and is acid free. Made with non stick material, it won't lift or transfer ink. 4. Beautiful: These clear book covers are beautifully made and have a good texture, with these covers, your books can be kept perfectly without worrying about getting dirty. 5. Perfect Fit: The adjustable cover lets you customize the width of your book, so it fits snugly over your book. Specification: Item Type: Book Cover Product Material: Plastic Product Features: Long Term Use Without Warping, Waterproof, Anti Fouling and Anti Scratch. Package List: 30 x Book Cover3 x Stickers