Customized colorful envelope printing 1.Heidelberg 4C printing machine 2.Good quality paper. 3.OEM service Customized colorful envelope printing Item No.SCBP-30651Commodity nameCustomized colorful envelope printing MaterialGrey board,art paper,special paper,etc.SizeCustomized ColorCMYK color or CustomizedSurface disposalFilm Lamination or your requirementMOQ3000PCSSample leading time3- ...