Ceramic Whiteboard Surface: P3 enameled steel board Core: Medium Density Fiberboard Rear: Zinc-coated steel board Ceramic WhiteboardSurface: P3 enameled steel boardCore: Superior Corrugated Board/Medium Density ... , 60x90cm, 90x120cm, 90x150cm, 100x180cm, 100x200cm, 120x150cm, 120x180cm, 120x240cm, 120x300cm, 120x400cm. Ceramic Whiteboard