Molotow Mini Ink Tank Marker
The Mini Ink Tank marker is a smaller version of the full size Ink Tanker. Both have a 30mm tip and are refillable. The mini has the same color selection as the regular. What makes this marker more convenient is it's size. It easily fits in your pocket and still hold quite a bit of ink. REFILLABLE
Click here for the color chart

Also, check out the larger Molotow Ink Tank Markers.