Mesh Triple Tray Desk Organizer Great for file folders, sales literature, and brochures, this desktop file organizer has a solid construction, perfect for organizing letter sized and smaller papers, 3 trays for easy accessing document; the top flat tray is great for stationary, desk accessories, full advantage of your vertical space Great for holding Letter/A4 size paper, folders, stationary, desk accessories. Desk file organizer is made of metal mesh, and the structural support is made of metal iron wire with black lacquer. Reasonable structure, strong and durable.