1. The folder size is 310*220mm. It is slightly larger than A4 paper, so it is not easy to get stuck when inserting the paper. Better paper protection. The flap design is easy to use. 2. The folder is made of high-quality kraft paper, durable, tough, tear and moisture resistant, and can be used repeatedly. Lightweight materials provide everyday protection and convenient use. 3. Suitable for the office, it allows you to store and classify important documents (contracts, invoices, files, personnel records, plans and commercial projects, bills, etc.). Important for school and teachers, examination papers, student records, speech materials, memories, etc. 4. These folders are ideal for everyday office workers and students who need to organize and classify lessons, which can help you find the information you need more easily. 5. Tip: Make sure your order is from Ibluelover, as we have never authorized any other seller. An IBLUELOVER exclusive. If you have any questions, please do not hesitate to contact us. Our customers' satisfaction is our highest priority.