On The Run OTR.004 Soultip Empty Squeeze Marker 12 mm
One of our favourites! Empty OTR.001 squeeze marker from On The Run, that is made from flexible plastic, so you can get a nice flow in your lines. The transparency of it makes it easy to see both which colour and how much is left in the pen. Equipped with a durable 10 mm tip, that can be changed when needed. Check out all markers and inks from On The Run here.