1. Material: Premium strong water-proof plastic material, not afraid of rain and oil damage. 2. Suitable for and A4 size paper. 3. Quick Reference label, data storage, and colour label paper. 4. Envelope features multi-pocket for easy organization of and documents. 5. Zipper closure ensures your stay in place. Specification: Sheet Size: A4 Folder Size: 35cm x 27cm x 3.5cm/13.78inch x 10.63inch x 1.38inch Closure Type: Zipper Colour:black Material:plastic Package Contents: 1 * Expanding File Folder Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.