HIGH CAPACITY-- 12 pockets Product size is 12.999.451.77. 12 individual pockets, maximum 350 sheets of paper. 24 pockets Product size is 13 "x9.4" 24, which can hold more than 4000 sheets. it is large enough to keep all of your important documents securely, help to classify and find your files effectively.Expandable file folder can be used to store A4 and Letter size documents. Built-in file separation layers are flexible to ensure the files don't wrinkle.Colored tabs design for each filing folders are ensuring each section can be instantly identified for quick access. HIGH QUALITY MATERIAL-- Made of premium environmentally friendly PP material, Acid-free, PVC-free, and archival quality for safe storage. Waterproof and moisture-proof material enough to keep your documents in good condition and not easy to break & deform. RAINBOW COLORED DESIGN-- 12 /24Pockets File Folder is updated with nice colored inner pages for better visual sense. small colored labels can give your files a convenient classification, so that you can quickly find the paper you need. UNIQUE ELASTIC BUCKLE-- We've upgraded the elastic string & button closure from the previous folder organizer,making it easier for users to open and close. It makes your work more relaxed and pleasant, perfect for all people to store all of their loose paperwork. MULTIFUNCTIONAL APPLICATION-- Our accordion folders can store invoices, letters, paper, cards, receipt,contracts and other documents. Suitable for home, office, school and travel use. In addition, the stylish and simple design is the best gift for friends and family.