1,wooden blackboard is done with polished wooden frame 2,non-toxic watery paint is done by special machine 3,many test report Basic information of goods:description: wooden blackboard material of the board:MDF coated black available accessories:chalk and eraser size of the chalk board: 15*21 cm size of wooden frame:1*2cm Detail information of goods:1,basic material of the wooden blackboard is MDF board.2,surface black is coated with non-toxic watery paint by special machine.3,can be written cons ...>>more