... competitiveness strict quality control one-stop service product leaflet,flyer,poster:1) Size: according to clients' specific requirements2) Color: Pantone colors ... the common 4 color(CMYK)process.3) Materials: white paper board, duplex board with white back, copper plate, art paper, C1S FBB ... , paper bag, paper box, printed card, etc. product leaflet,flyer,poster