Space-saving storage bins hold 12 -20 rolled documents Corrugated roll files are constructed of sturdy wood grain fiberboard to hold rolled documents such as maps, blueprints and more in a compact space. Square slots feature plastic linings for smooth insertion as well as to minimize scratching of your documents. Choose from 2 sizes: 12 slots or 20 slots Assembly required. Ships via Ground Transportation. FOB: MN Available in brown. Overall dimensions: SF3079: 22H x 15W x 12"D, with slot size of 3 5/8"W SF3081: 22H x 15W x 12"D, with slot size of 2 3/4"W