dry erase board 1.Be used to show notice on the board. dry erase board(1)Be used in classroom,office,restaurant,home and so on.(2)Back board: plastic Frame:Aluminum.(3)Color :White and black.(4 )Size:30*40,45*60,50*35,50*70,60*80,60*90,60*100,80*100,100*100,100*200,120*80,120*90, 120*200,120*240. dry erase board