... as common 4 color (CMYK) process.3) Material: White cardboard, duplex grey paper, offset paper, C2S art ... paper, C1S art paper, corrugated board ,kraft paper,special paper or according to customers’ ... meet your requirment1) Material:artpaper,coated paper,white board,duplex board,corrugated and cardboard paper,PVC,PET etc..2) ...