Envelope 1.Material: 80g-120g art paper 2.Printing : As customized ... the common 4 colors (CMYK) process3) Material: white offset paper, kraft paper, special paper4) Finishes: Foil, Holographic, Embossing,UV varnishing, ... be printed7) reasonable and concessions price , fast delivery ItemEnvelopesMaterialoffset paper,Kraft paper, cardboard, special paper, art paper, woodfree paper, chipboard, ...