DESK PAPER FILE TRAYS: Covered by high quality PU leather, interior is exquisite and soft flannel, moisture proof and insect-resistant, keep file longer storage off damaged. DESIGN SPECIFICATIONS WITH STACKABLE: Sturdy structure,metal screws fixed support. Easy to disassemble and assemble, to avoid be damaged during the shipping way, please assembled it by yourself. PROFESSIONAL DESK ORGNAIZER: Store different specifications and sizes of items. Accommodates stationary, papers, files, magazines, books, mail, crafts, and office supplies and etc. Fits small spaces like studios, cubicles, shelves, drawers, etc — Can be used for anything: (paper rack for office, organizer black book, file tray stand, desk folder organizer tray, letter sorter desktop, book collection organizer, folder holder, and more) CUSTOMIZE YOUR WORKSPACE: Creates a well-organized desk or workstation to quickly visualize and access contents, spend less time looking for what you need and more time focusing on what matters, that will keep the stuff you need at hand, while staying out of your way. It is widely used in study, office, school and home and so on making full use of your storage space. LARGE CAPACITY: Overall dimensions:(27.5 x 35 x 18.3 cm) 10.8 inches long by 13.8 inches wide by 7.2 inches high; each layer (34x26x5.5cm) 13.38''x10.23''x2.16'', ground layer height: 5 inches, top layer height: 2.2 inches, each layer can hold about 500 pages legal paper.