De Atramentis are well known for for their handmade, quality fountain pen inks. Handmade in Germany by Dr. Franz-Josef Jansen with dyes sourced from within Europe. Bottled De Atramentis document ink 'dokumententinte', suitable for use in all fountain pens. High quality, permanent, waterproof ink. All the inks in this series can be mixed together to create unique colours. Great for sketching with fountain pens. 45ml glass bottle, available in a range of colours. Please Note: Archive ink is not archival but is acid-resistant and black in colour.