Seven continent maps on a single roller. Advanced political wall maps are brightly colored and feature state and/or national political boundaries, plus capital cities, major cities, oceans and other large bodies of water. With the exception of Antarctica, each continent map features 4 inset maps that cover climate; natural vegetation and environment; population density per square mile and ethnic diversity; and energy, manufacturing and trade. Designed for legibility, the maps can be written on with a dry erase or water-soluble marker. Maps are mounted on a spring roller, which is attached to a backboard. Backboard holders are included, so they are ready to hang on your wall. Measure 64x49". Does not qualify for free shipping; shipping weight is 32 lbs. Ships directly from the manufacturer, please allow 2 weeks for delivery.