... set printing machines. 4. Material: Art paper/white cardboard/special paper or corrugated paper. 5. Color: common 4 colors (CMYK ... to save shipping cost- Material: cardboard, corrugated paper, paper board, art paper, kraft paper, printing paper- Surface decorative finishes: die cutting, embossing, ... satisfaction and uncompromising effort of the highest standards of quality and timely delivery.