Structural stability:Expanding file folders are made of polypropylene.The material is waterproof, sturdy and prevents the file organizer from collapsing.The accordion folder's rope closure and flip-top design provide extra protection. File separation layers are elastic, which can protect the user's files Easy to sort and find: Expandable file folder has 24 pocket compartments, designed to keep files and information organized. Accurately organized in different color card slots and with tabbed classifications, it makes it easier for you to find the files Product dimensions: 13 inch long x 9.25 inch high. Each pocket holds all A4 size papers. Folders also offer excellent expandability. The organza folder stretches to a very long length of over 24 inches. 24 pockets can hold around 4,000 sheets of paper Stylish and Portable: Folders with dividers in six colors, stylish and beautiful. Multi-functional file organizer for home, office, school, compact and lightweight. This file organizer can be folded to a minimum of 2 inches thick,which can be better carried Expandable desktop folders: Folders can expand to different widths as the number of files put into them increases. When the folder is full, it can be placed more stably on the desktop and is less likely to tip over. Dividers are individually sealed for easier storage of documents Color: As Shown Material: Plastic Package Contents: 3Set x File Organizer