Envelope Material: 60-150g offset paper Print: Green red and any color Customiaed ... 350gsm, 400gsm)Grey paper(250gsm, 300gsm, 350gsm, 400gsm)Double-side offset paper(80gsm, 100gsm)Craft paper(100gsm, 120gsm, 150gsm, 200gsm, ... size can be manufactured.Color1-4 C or morePantone colorPrintingOffset printing, Flexor printing, Screen printingSurface FinishingVarnishing, glossy lamination, matte lamination, ...