This large calligraphy brush is suitable for both beginners and experts. With a perfect balance of thickness and length, it's easy to use. The brush hairs have the right amount of firmness and elasticity, and won't be easily damaged even with long-term use. Materials: Weasel hair, wool, a mix of weasel tail hair and wool, bear hair. The body is made of bamboo. Length: Approximately 25.5cm Bristle length: Approximately 7cm Diameter: Approximately 2.4cm ★ A great value set of 4, a beautiful item.