... adhesive PET/PVC/PP/PE etc..., can be transparent, gloss or matt, with laminated PE, special type material or ... the common 4 color CMYK) process.3. Printing techniques: offset printing, rotogravure printing, silk screen printing, flexography printing, ... cover membrane, die cutting, embossing, foil stamping, matte lamination, gloss lamination, varnish, aqueous coating, UV coating, gold/silver stamping. ...