... Can be used for tack and pin push. Smart Cork Board,Bulletin board, Pin board, Tack Board 1. ... board is 7 layers strong corrugated cardboard or MDF board. 3. The material of the back ... carton. 8.Can make into double cork sides, or one side cork board one side white board. Different ... ), children's boards, flip chart boards, chalk boards, cork boards, felt boards, easels, magazine racks, newspaper racks ...