... how to choose the cardboard is based on your needs, we have white /black/grey cardboard,kraft paper,corrugated board,special ... free to provide us freight collect account or we arrange shipping for you .we have trust and good service express agents ... via Mail or Trademanager online : xmklt , for more information m,we'll reply you ASAP . Descriptions : Materialwhite /grey cardboard,Ivoryboard,art paper, ...