Color:purple;green;blue;Light pink size:31*23cm Material:plastic 1. This translucent display book is made of plastic and is light and strong. Unlike regular folders, the hard shell of this folder has a modern frosted design. This simple design makes it easier to hold in your hand. High transparency inside pages. You made clear the important papers without difficulty. The seams of the pockets are also tight enough for long-term use. 2. This demo book is designed to be user-friendly. The inner pages are designed with special indentation to make the paper easier to put in and take out. There is also a label slot to help you sort documents or paper works. You can find the file in a short time. The rounded edge of the lid is also secure and won't cut your hand when using it. This sleeve protector folder can be displayed flat for easy viewing of files or documents. 3. Large capacity: This demo manual has a variety of capacity options: each pocket can display 2 pages on each side. You can choose the right size to meet your needs. This plastic protective film folder is waterproof and will protect your important papers or sheets from moisture and mold. 4.A4 size: Inner sleeve sleeve case fits most files and documents. It can be used to store presentation materials, essays, and other learning materials. It is also the perfect protector 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. Use case: Whether you are a student who needs to deal with a lot of study materials or documents, or an office worker who needs to deal with a lot of 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.