Simple, dependable, and quietly brilliant, these Diamine Fountain Pen Ink Cartridges - Pack of 18 are the sort of thing you pop into your pen and promptly forget about—in the best possible way.

Each box contains 18 European Standard cartridges filled with Diamine’s famously gentle, water-based ink, suitable for everyday notes, thoughtful letters, and cherished vintage fountain pens that prefer a lighter touch. 

Made in the UK since 1864, Diamine inks don’t shout for attention; they simply get on with the job and do it very well indeed.

What Makes It Work So Well

• Universally compatible: Standard international cartridges fit almost all cartridge/converter fountain pens, so you never need to worry about brand loyalty.

• Kind to pens (even old ones): Always water-based, non-toxic, acid-free, and vegan-friendly, the formula is safe for modern and vintage fountain pens alike.

• Reliable colour, every time: Each box contains 18 cartridges in a single, popular Diamine colour, delivering consistent flow and dependable performance.

Details 

• Type: Ink Cartridge
  
• Pack: 18 pcs
  
• Item Weight: 45g
• Material: Water-based