Magnetic Buckle Design: It is more convenient to close the folder than common snap closure, which also looks more cool. The clip with a widening design could make it closed security and prevent papers from falling out.^ Sturdy and Durable: folder made of high quality PP material, not easy to break and deformation. Lightweight and Portable. Outside cover is waterproof, which could protect inner items if it accidentally got wet^ Contains 13 Pockets: There are 13 pockets inside of the folder, it could help you to keep the papers stay in place and organize by category. In addition, the location of the label can be labeled according to your actual needs, so that you can find documents more easily.^ Multi-Functional: expanding file folder perfect for home, office, school and daily use, such as keep track of receipts, keep school papers/travel files/documents/ business expenses/tax paperwork/homework organized and papers or coupons organization^ Capacity: Our folders size: 13 x 9.1 inch,can provide enough space to store a4 paper letter. the expandability of the folder can hold about 200 pages of paper. the size of the standard vertebra is suitable, and it can be well put into a backpack, business bag or suitcase.