paper foam board 1.Thickness :2mm-20mm 2.Size:920mm ... 3.Color:white,red black,green and so on paper foam boardPaper Board is an exturded polystyrene foam center ... board with clay coated paper linersStucture: Paper Liner+ Polystyrene Foam Core+Paper LinerColor: white,red,blue,yellow,green , ... can come and visit, you are always welcome there! Paper foam Board(Factory)