Colors: Purple; Green; Blue; Light Pink Size: 31*23cm Material: Plastic 1. This transparent presentation book is made of lightweight yet strong plastic. Unlike ordinary folders, this folder's hard shell features a modern frosted design. This simple design makes it easier to hold. High transparency inside the pages ensures your important papers are clearly visible. The seams on the pockets are also tight enough for long-lasting use. 2. This demo book is designed for user-friendliness. The inner pages are designed with special indentations to make inserting and removing papers easier. There's also a label slot to help you sort documents. The rounded edge of the cover is also safe and won't cut your hand. This sleeve protector folder can be displayed flat for easy viewing of files or documents. 3. High Capacity: This demo book offers various capacity options; each pocket can display 2 pages on each side. Choose the right size to meet your needs. This plastic protective film folder is waterproof, protecting your important papers from moisture and mildew. 4. A4 Size: The inner sleeve fits most files and documents. It can be used to store presentation materials, essays, and other learning materials. It's also the perfect protection for important documents, certificates, contracts, notes, etc. You can also use this presentation book to store all your drawings and doodles – a wonderful keepsake for the future. 5. Use Cases: Whether you're a student managing lots of study materials or an office worker handling numerous documents and contracts, this clear presentation book will be a great addition to your daily life. With high capacity and a comfortable design, this folder is perfect for sorting and archiving your files and documents. The bright colors will also brighten your day.