to give it a thicker
smudge-resistant under highlighters and watercolor
It uses the same general case format as the rest of the pocket series — a lid that stands up as a paper easel
without the scratching or skipping that can happen with a conventional nib at speed
Each pen uses the same flexible fiber brush tip as the rest of the Koi range
molotow blackliner refill 30 ml Trab to give it a thickerMolotow Blackliner Refill is 30 ml of waterproof archival ink made specifically for the Blackliner fineliner pens. It's water based, fade resistant, and wipe proof, so once it's down, it stays there even if you layer water based or alcohol based inks on top. The ink is also resistant to chemicals, making it solid for sketches, outlines, precise illustrations, graffiti sketches, comics, tattoos, or any detailed work that needs to last.