Writing Board 1.made by PPGI coil,with White,Green,Black, 2.can writing many times and removeable easily. Writing Board 1.Thickness:0.18mm,0.23mm,0.27mm,0.30mm,0.40mm2.Width:1000/1200mm3.Can also provide thickness/width by buyer requested.4.Zinc Coating:Z805.Colour Coating,Top Coating:15+5um,Back Coating:5um6.Colour:White,Green,Black etc.7.Usage:WRITING BOARD,WHITE BOARD. writing board