Noodler's Polar Black Fountain Pen Ink Color__No. 173__sailor-ink-studio-bottled-ink-no-173-20ml The paper is 90g pH

The paper is 90g pH neutral (archival quality)

Pen Barrel Diameter (max): 0

The ballpoint pen features and integrated push mechanism with clip/push-button unit

There's a few moments in our history where everyone remembers where they were and what they were doing and who they were with

and Blue colors with blind embossing "Bullet Journal"

Noodler's Polar Black Fountain Pen Ink Color__No. 173__sailor-ink-studio-bottled-ink-no-173-20ml The paper is 90g pHEternal Polar Black resists the effects of time moisture humidity UV light acids water exposure and many common detergents such as dish soaps and household ammonia as well as alcohols and acetone. Polar Black as with all Noodler's ink is water based pH neutral and will easily wash off your pens. 3 ounces of ink per bottle. Freeze Proof to 114F