Use:Painting Size:A3/A4/A5 Material:Watercolor Painting Paper Type:Painting Paper Suitable: Sketch Color lead Water soluble lead, etc. Paste color powder lead Features: double-sided texture, medium and thick, the color of the picture is moist and transparent, and the face is flat after coloring. The paper is white and delicate, and it is acid-proof, so that it can be store/sites/defaultd for a long time and the paper is firm.