This is a Japanese painting brush, size 40 (12cm wide). It's used for underpainting or painting backgrounds in large works. Material: Animal hair Size: 40 Brand: Namurataiseidou Brush Width: 120 mm Hair Type: Mura brush Bristle Size: 120 x 40mm Usage: Design, Japanese painting Brush Stiffness: Soft Material: Wool Paint Capacity: High Retail Price: ¥3,595 Almost new. Thank you for looking.