The ideal cost solution for organizing and retrieving all types of rolled drawing, blueprints, or maps. Durable attractive corrugated cardboard with gray lettering on white background. Reinforced bottom and hand holes allow for easy relocation in office. Identification labels on interior and exterior with "Document Locator Card". Total of 16 slots @ 4" x 4" in size each. Overall outside dimensions are 16-1/2" x 16-1/2" x 26". Lifetime warranty on manufacturers defects.