features:

◆ fountain pen irrigation soft brush pen water soluble color pencil solid watercolor good companion

◆ It is convenient to carry out sketch and suitable for scholars at different stages. It can be used for irrigation

◆ You can also use ink as a calligraphy pen to practice calligraphy.

◆ large, medium and small size optional

the full length of the pen is transparent and 155MM can be selected.

Small size about hair length 1.4cm diameter: 2.5mm (thick place)

medium-sized hair length 1.6CM diameter: 4MM (thick place)

large size about wool length 1.7MM diameter: 6MM (thick place)

this writing brush, after receiving the goods, it is recommended to soak it with warm water, wash off the fixing glue on the pen head, and remove the black buckle when using it.

After receiving the pen, please tighten it in the opposite direction when assembling ball pen.