The pens are refillable and included in Pilot's BeGreen assortment

and you can easily mix the colours for smooth transitions

Works on pretty much any surface you throw it at

Empty pen from Molotow that you can refill with any ink or color

ballograf epoca p ballpoint pen dark blue Ink and paint refills The pens are refillable andBallografs classic ballpoint pen that first was introduced in the early 60's. Timeless designed ballpoint pen available in several different colors, choose between the classic blue or the new, modern colors. The pen is delivered filled with blue ink, which is certified archive proof and each cartridge writes a total of 8000 meters. The pen is refillable and just like all Ballograf pens, you have lifetime warranty for the mechanical parts of the pen.