ECO | Cerulean Blue - Extra Fine #M7449060

The most economical of the TWSBI pen line - this lightweight balanced pen is perfect if you're getting into the world of fountain pens. With its large piston filling ink capacity, it's perfect for everyday use. The twist cap is nice and secure for transportation, and the clear demonstrator body allows you to know exactly how much ink you have left.

Dimensions: 14cm capped (17 cm posted)
Weight: 20g

Pen does not come with any ink. TWSBI ECO can be a bit more difficult to fill from ink samples and works best filling from bottled ink. 
TWSBI. Made in Taiwan