Color: purple; green; blue; light pink Size: 31*23cm Material: plastic 1. Folder with transparent protective film: The flexible polypropylene protective film is waterproof, splash-proof, stain-resistant, portable, and provides long-lasting storage protection for your documents or artwork. 2. Customizable Portfolio Demo Book: Reversible spine inserts and cover inserts allow you to label and identify your projects, certificates, contracts, sheet music, scrapbooks, menus, and more. 3. Non-sticky, archival-quality plastic folder: Lightweight polypropylene, glare-free, no copy transfer, no ink bleed. Save your valuable documents, photos, and art collection. 4. Size: The inner sleeve box fits most files and documents. It can be used to store presentation materials, essays, and other learning materials. It is also the perfect protection for important documents, certificates, contracts, sheet music, etc. You can also use this display book to store all your drawings and doodles. It will be a wonderful memory in the future. 5. Usage Cases: Whether you are a student who needs to manage a lot of study materials or documents, or an office worker who needs to handle many documents and contracts, this clear presentation manual will be a great addition to your daily life. With a large capacity and convenient design, this folder is perfect for sorting and archiving your files and documents. Bright colors will also bring a good mood to your daily life.