MasterChinese Large Chinese Calligraphy Sumi Drawing Watercolor Kanji Brush (Jian Hao: Goat Wolf) 1.18x3.7" Excellent brush even for the advance users. Jian Hao (goat and wolf hair). Diameter 3cm (1.18 inches). Hair length: 9.5cm (3.7 inches). Weight 99g 3.2oz ABOUT HAIR FALLING OFF: It's normal for a NEW brush of this size to have hair fall off. It's not about bad quality. (READ more below). Shaft/handle: Ox horn (NOT plastic. Read more below.) Excellent to write chun lian / dui lian (vertical writing), drawing, watercolor, and more