... and color envelope 3.OEM is welcomed 4.reasonab kraft envelopes We can offer all kinds of envelopes, paper ... well as the common 4 colors (CMYK) process3) Material: white offset paper, kraft paper, special paper4) Finishes: Foil, Holographic, Embossing,UV ... and so on..Materialoffset paper,Kraft paper, cardboard, special paper, art paper, close-line paper, chipboard, white paper board, etc. Sharp ...