... this PPGI coil,with White,Green,Black,can writing many times and removeable easily. Writing Board can be made by this PPGI ... coil,with White,Green,Black,can writing many times and removeable easily.Thickness:0.18mm,0 ... Coating,Top Coating:15+5um,Back Coating:5umColour:White,Green,Black etc.Usage:WRITING BOARD,WHITE BOARD. Writing Board PPGI