This 9" x 12" sturdy melamine whiteboard is perfect for the classroom, home and even travel. The X-Axis and Y-Axis grid is great for teaching coordinate graphing. The plain/blank surface on back can be used for teaching multiple activities and lessons. Great for interactive instruction to test concept understanding or for small group work. Dry erase surface erases cleanly and easily. This is a double sided board that has one blank side and one graphing side with the X/Y Axis.