Karin BrushmarkerPRO brush pens contain 2.4ml of non-toxic, water-based, high pigmented ink. They are twice as efficient as traditional filter markers. They have Japanese super durable and flexible nylon brush tip. You can mix the colours by contacting the ends of the markers. You will be amazed by how beautifully colours blend!
Specifications:
- Colours - grey range:
   - cool grey 1.160
   - cool grey 2.159
   - cool grey 3.158
   - warm grey 2.277
   - warm grey 3.276
   - neutral grey 1.133
   - neutral grey 2.132
   - neutral grey 3.131
- Brush tip 
- 2.4 ml non-toxic, water-based ink
- Self-cleaning tips after blending
- Acid-free and odourless
- not good on black paper