1. Material: plastic
2. A4 size, can hold multiple types of documents/test papers
3. Hot-pressed edge sealing, not easy to crack, long service life
4. Highly transparent material, waterproof and dustproof, protecting built-in files
5. High-quality concealed buckle, stable opening and closing, thickened plate
6. Suitable for multiple scenarios
7. Tough in bending and not easy to leave creases
8. Dimensions: 32.5x23cm