SAFCO 3079 cardboard blueprint storage box organizers. Compact yet durable, rolled document storage boxes are constructed of corrugated fiberboard and reinforced with plastic molding for extra-long durability. Includes slotted hand hole and four non-slip rubber feet. Finished in a subtle walnut wood grain. 12 compartments/slots. Approx. assemble size: 15" wide x 12" deep; front height 12", back height 22". Shipped flat but easily sets up in minutes. SAFCO upright roll file boxes are made in the USA.