ACRYLIC DESK ORGANIZER：The clear paper tray measures 13.78L x 9.25W x 1.81H inches and holds all office supplies and accessories such as: letters, printer papers, 9 x 11.5 Inch Sheets,books, folders, bills, newspapers,magazines and more. EASY TO STACK：Acrylic paper trays feature a stackable design that easily stacks up to 8 layers for stability and durability. Saves desk space and improves office efficiency. STURDY AND DURABLE: The clear trays are made of acrylic and are both attractive and stylish, complete with a bottom rail bar that prevents the trays from sliding . DOCUMENT ORGANIZING/CLASSIFICATION：This set of desk organizer trays for classroom.Perfect for keeping files and documents neatly sorted，keeping the desk open and spacious.Transparent design helps you easily find what you're looking for. SIMPLICITY AND USEFULNESS:Crystal-clear and simple, this tray looks great in any home or office setting. No installation is required and it is easy to use. Ideal for classroom office or home office workspace storage organization, children's construction paper, textbook storage, literary books, accessories, business data materials, and more.