... envelope bag with different materials and designs!Peel & Seal Colorful Invitation Envelope 1) Materials: white paper, kraft ... lamination,varnishing, SPOT-UV,gold /silver stamping,flocking,blister varnishing,hologram effect available5)Packing:Standard export carton or ... Pre-press& Printing& Post-press Integration Advanced printing machines and technology,we integrate prepress design making,printing ...