1.Unique design:it can be used to write and flipchart paper. 2.Surface material:Good quality surface with dry-wipe painted steel of color,0.17mm,easy to write and wipe off. 3.Core material:Superior and strong corrugated cardboard/high/low density fiberboard as middle filler 4.Size:different size made to clients' requirements. 5Package:Inner heated shrik-wrap,outside standard export carton. 6.Pen-tray:Aluminum pen-tray/to be advised/to be made to your order 7.It can be made to your order.