Features:1.Practical- The file Organizers take the best parts of file folders letter trays and filing cabinets to combine them into a simple solution that covers the needs of all three with a lower price and better functionality.2.Adjust to any stack size- Like an endless set of letter trays you can stack them about as high as you like. Add another tray to a stack any time or make multiple stacks for multiple reasons. Try doing that with traditional desktop organizers3.Functional- With a finger hole in the middle and four alternating label tabs (a set of blank labels included) it\'s easy to organize your papers and grab what you need any time.4.Portable- Take your files with you. File outside on a gorgeous day. Work in the kitchen then put them away. Or file at your favorite coffee shop.5.Adaptable- Use them like a simple inbox/outbox system. File by category project function etc. Collate presentations. Store long term large stacks on shelves.6.Not just for the office- Clean up that kitchen mess of bills coupons kids papers and other \to do\'s\". Keep a stack wherever paper piles tend to form. Organize mail right where it tends to go.7.Sustainable- Sure it would be cheaper to manufacture elsewhere but each file organizer is from recycled materials8.Versatile- Do you have multiple forms brochures or other materials that you need easy access to? There\'s no better easy way to keep them handy than this.Description:Material: plasticThickness: 234 (mm)includes: 4PCS X Office File Organizers"