Exquisite Kolinsky Item Features of the Brush Hair Quality: Compared to other weasel hair, it has longer hair, springiness, and is said to hold paint well. Resilience: It has supple firmness and is characterized by good tip cohesion. Drawing Ability: Because the tip is fine, it is suitable for drawing fine lines and expressive lines. Durability: The hair tips are fine and tenacious, with little kinking, so the brush is said to have a long lifespan. This is a watercolor brush with exquisite resilience, finished with only carefully selected Kolinsky raw hair. By using high-quality raw hair and tailoring it with a calculated hair arrangement method, the ideal brush is created. There is a type of weasel called "Kolinsky." This has longer hair, springiness, good paint holding, and is a type superior in durability compared to other weasel hairs. The tail hair of the male is long and considered to be of excellent quality.