Adir Corrugated Cardboard 16 Roll File (For Rolls up to 37 Inches Long) Upright Storage Cabinet TIDY ORGANIZATION. Offered in both a 25- and 37-inch size, this storage cabinet helps to maintain neatness and organization of 16 rolled files. Each slot diameter is 3.75 inches to provide ample room to store your rolled blueprints, plans, maps and other large documents. STURDY CONSTRUCTION. Made of white, corrugated cardboard, this unit and top are sturdy and strong to keep your important files stored and protected. The durable, reinforced bottom prevents ripping or breakage, while the dividers inside are each folded over a piece of cardboard for added strength. ECONOMICAL AND PERMANENT STORAGE SOLUTION. Keeping all of your large documents in great shape, this simple storage cabinet conveniently saves time, space and money. While many storage cabinets can be quite costly, the Adir serves the same purpose at a fraction of the cost. SIMPLE IDENTIFICATION. A labeling grid on the front and top allow you to write down which file is stored in each slot, providing a convenient way to organize your large files and an even quicker way to find them in the future. EASY TRANSPORT. Compact and attractive, this roll file is lightweight and features side handles so you can easily move it from one location to the next. It fits comfortably in small spaces  next to your desk or in any corner of the office  and can be stacked to save additional floor space.