nice paper postcards 1)15yrs experience 2)High quality 3) Short production cycle 4)Sample:Free nice paper postcards size:20x14.3cmcolor: CMYKMaterial:350g whiteboard 1. Item name nice paper postcards2.Dimension The dimension of paper card according to customer’s request3.Shape and Style Rectangle paper box, square paper box,modern design, classy style and archaize style4.Color CMYK, pantone color ...