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Twsbi fountain pen ink in blue comes in a 70 ml frosted glass bottle. The internal plastic component makes it easy to draw up all the ink, right down to the last drop. The bottle’s neck fits the cap from the Diamond 50.
The liquid ink is suitable for all fountain pens, flows well on paper, and has a satisfactory drying time. It is neither permanent nor waterproof.
Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.