Naturally white, fine-grained (cold pressed) watercolor paper, manufactured by Baohong in China. The paper has a weight of 300 gsm and is acid-free with a natural pH.
The pen includes quick-drying water-based masking fluid. It has a round tip in two sizes fine 1-2 and medium 2-4mm. It allows temporary securing of work fragments (lines and larger areas) against water and paint.