1. High-quality materials: Made of durable manila cardboard, it is strong and wear-resistant, not easy to deform after long-term use, and protects the safety of documents. 2. Large-capacity design: The internal space is spacious and can easily store A4-size documents, suitable for use in various scenarios such as office and school. 3. Convenient classification: The label area is clear, which is convenient for marking the contents of the folder, quickly finding the required documents, and improving work efficiency. 4. Environmentally friendly process: Made of recyclable materials, it meets environmental protection standards, reduces the impact on the environment, and makes green office more secure. 5. Multiple colors available: A variety of color options are available for easy classification management, meeting the needs of sorting in different occasions, beautiful and practical.