Diamine Polar Glow Fountain Pen Ink Size:1.7ml sample Weight (with cartridge): 31 grams

Weight (with cartridge): 31 grams (1

Note:  Baystate Blue is slightly basic in ph and can stain some resins and plastics

Featuring a translucent body and cap and gold trim the Custom 823 is a truly fine writing instrument

Ebonite colors: Matte Black

Diamine Polar Glow Fountain Pen Ink Size:1.7ml sample Weight (with cartridge): 31 gramsNote: We do not ship Diamine Inkvent collection inks outside the US due to the heavier and more fragile glass bottle. Diamine Polar Glow ink was initially launched with the 2019 Inkvent Calendar but is now a part of their regular collection. A stunning blue that sheens to red, Polar Glow works best with broader nibs to best show off the sheening effect.