TWSBI Obsidian Fountain Pen《Medium》 green tea mind-mapping

mind-mapping

" - Allister Lee

A meticulously designed notebook where every page is numbered for effortless organization

Cotton Bag / H 10" x W 6"

calligraphy

TWSBI Obsidian Fountain Pen《Medium》 green tea mind-mappingTWSBI 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!