Specification shard cover watercolor paper 1.Size,A3 A4 A5 2.material:paper and metal 3.printing,off set ... printing Specification shard cover watercolor paper1.Size,A4 and so on. 2.material: paper and metal 3. ... of watercolor paper are available2)materialOffset paper,grey cardboard3)printing4/C s (CMYK),Digital,Flexographic,Gravure,Letterpress,Offset,Screen,Transfer4)designAdobe ...