Colour Black Material PP, Polyester, PVC Style Work Sheet size A4 Durable and Secure: This 13 pocket expanding file has a durable plastic outer shell and secure zipper closure to protect your important documents, school papers, repeipts. Reinforced gussets prevent the sides from tearing, so you can store and organize a lot. Plenty of Room to Organize: 13 separate pockets, each pocket can be expanded to 1 1/8 inches, this expanding file does the job, helping you to sort and organize your class assignments, notes, reports and other school work with ease,it is also a good assistant in your office home life. Slide-in Reminder Tabs:Finding your documents is easy with tabs to remind you of whats filed and where. Plus, the tabs can be seen through the files clear cover.In addition to the labels we provide, you can also make your own labels because the label slot is slide-in. Extra Front Pocket: Comes with a sheet of colorful sticky labels for marking, identifying the contents of file folders quickly. The front pocket depth is 3.5 inches, which is perfect for holding pens, highlighters, and other frequently-used misc.