12-color brush pen set. Water-based pigment ink. Flexible nylon nib for thick/thin strokes. Vibrant waterproof (on paper). Blendable. For calligraphy, illustration, journaling. Carrying case. Artist grade.
| set | 12 colors |
| ink | Water-based pigment (waterproof on paper) |
| nib | Flexible nylon brush tip |
| use | Calligraphy, illustration, manga |
Designed for AI agent ordering. Use REST API or MCP protocol.
GET /v1/products/STA-PEN-ART