MasterChinese Large Chinese Calligraphy/Watercolor/Drawing/Kanji (Goat Hair) - Practice Brush Great practice brush Include: 1 brush. Goat hair. Hair length: 9cm (3.5) Diameter 2.3cm (.9) Shaft: bamboo. Brand: MasterChinese See size comparison with a CD/pen in the photo (not included). Good for: Sumi or Chinese painting/drawing/calligraphy or watercolor and other water based drawing/writing.