EXPANDABLE DESIGN - With 13 Random color expandable pockets, this document file has a great capacity for storing your documents.HELP YOU TO ORGANIZE PAPER- Expanding file fits well to organize small documents, bill, receipts, letters, memos, and checks. Handy folder file is used to keep paper in order for many groups such as students, traveler and so on when they are at school, hospital, office and home, etcEASY TO OPEN AND CLOSE- Push button switch design for easy open and close, keep files safety and organizedFOLDED SIZE AND MATERIAL - A6 size (7.1 x 4.3 x 1.1 inch), NOT A4 size, Please make sure the size before you purchase. Made of polypropylene (pp) plastic material, non-toxic, not easy to break and deformation.PRACTICAL AND PORTABLE- Small wallet design can save space; when you travel, can well organize your passport, map, travel planner, make it easy and convenient to find.