TWSBI ECO Cosmo w/Onyx Fountain Pen《Medium》 pigment ink It features a sleek pocket

It features a sleek pocket sleeve on the inside for papers

80g/m2 acid free

inspired by autumn days spent reading under a blanket

Sit back and enjoy the smell of your burning incense

the toast is toasted crispy

TWSBI ECO Cosmo w/Onyx Fountain Pen《Medium》 pigment ink It features a sleek pocketTWSBI fountain pens are renowned for their high quality and affordability, offering advanced filling mechanisms usually found in more expensive pens. The TWSBI ECO features a high capacity piston filler, a sleek transparent barrel that lets you keep track of your ink level, and a hexagonal screw on cap. How to use the Piston Filler Fountain pen by TWSBI: Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!