Accurate Diagram : Painstakingly researched and executed by today's top medical illustrators. Attractive: Up-to-date, with a fresh, consistent style and contemporary look. Durable: Full-coverage 1.5 mil lamination with sealed edges • virtually impervious to moisture • metal eyelets for hanging. Practical: Male Reproductive Anatomy System chart, format • 22x28 inches (56x 71cm) writeon/wipe-off using dry-erase markers (not included).