... be transparent or white background, gloss or matt,gold or silver, with laminated PE, special ... color CMYK) process.3. Printing techniques: offset printing, rotogravure printing, silk screen printing, flexography printing, UV lithography, foil blocking ... printing, bronzing, imprint, cover membrane on pvc sticker material, die cutting, embossing, foil stamping, matte lamination, gloss lamination, varnish ...