Introduction

TWSBI – Ink Bottle

This frosted glass bottle contains 70ml of TWSBI fountain pen ink Blue-Black and comes with a conical insert for easy pen filling.

The top of the TWSBI Diamond 50 Inkwell is also interchangeable with the top of these 70ml ink bottles, for another easy way to fill compatible pens.

The bottle comes with a special nozzle which allows every last drop to be used in the bottle. Bottlecap can also fit our Diamond 50 bottle cap, ensuring a mess-free, no inky finger fill.