Thickness0.1 to 0.4mm , width 1000,1200mm .our whiteboardboard is the surface material for writing board, it used in processing small board in school and office. It has good market in educational office field. Each coil weight: 3-5 Ton Inner diameter: 508mm One 20 container: 6-7 coils ,around 25 ton Delivery time : 14 days after received deposit