Your students will love getting to know all 50 of their favorite states with the Cram United States Political Roller Map. This map display numerous US cities important rivers and lakes as well as interstate highways and time zones. There are also two inset maps at the top one that depicts the physical features of our nation and one that shows the population density throughout our rural and urban areas. This colorful map is printed on durable non-tear material that you can mark on while teaching to point out key features. A heavy-duty spring roller protects the map while not in use and smoothly expands when needed; the backboard keeps the map flat so everyone can see.About CramCram has been bringing you the world since 1867. Founded by Civil War veteran George Franklin Cram the company has been manufacturing and distributing a wide variety of maps globes and other tools designed to help you explore the wonders of the world. Cram was responsible for the popular Unrivaled Atlas of the Wor ld which was printed continuously from the 1880s until 1952. Now based in Indianapolis the company`s focus is on premium-quality educational products and excellent customer service.Globe FAQ