... .4040;EN71. 4,polilshed smooth wood frame Basic information: Blackboard typeItem No.Size(CM)ThicknessAccessoriesPaintMDF blackboardBB-12315*203mmchalk and erasernon ... 5,usually it is used in bar for ordering.6,eraser and chalk can be matched.7,test report:ASTM ... more than 600 workers, specially producing different kinds of mini blackboard,chalk board, whiteboard, writing & drawing boards and color clay ...