... to make poster:The difference of the three board: The KT board:The surface of it is very smooth,its material ... ’s requirement. The Paper board:it is located between KT board and PVC board.it willl not be easy to ... remove a lot of hubble-bubble,it is durable than KT board.,Also,it can not use the laser cutting ... the shape,we just do it with hands.So the KT board and Paper board just can cut the easy ...