Large Street & Road Map of Irmo, South Carolina SC - Printed poster size wall atlas of your home town One-of-a-kind custom made street & road wall map of your hometown. 36 x 36 inch map includes a title, north arrow, legend, and scale bar. Maps are printed on heavyweight coated matte paper. Printed with archival inks. 100 year life with proper storage. Rolled and shipped in a tube USPS Priority Mail.