Represents the Decline of the Byzantine Empire, 1100. Color-coding identifies the Byzantine Empire, the Norman expansion, and the Islamic expansion of the period. All maps in this series are markable with a dry erase or water-soluble marker. Durably laminated maps measure 46 x 32 or 36 x 48. Mounted on roller with backboard. Please allow 2-4 weeks for delivery on multiple wall map custom sets. Save money and space by mounting History Wall Maps together as a set on one spring roller mounted wall map operation. This product is ideal for public, private, parochial, and home schools.