Kaweco Fountain Pen Ink Cartridge [6 PCS / 10 PCS] Color:Assorted Mix 10 PCS The name Opus was chosen

The name Opus was chosen because the company tries to tell the pen user that they are good in using different materials to create pens (materials like brass

A7 (74 x 105mm)

in a variety of colorful writing instruments to enrich your everyday life

Iroful is a high-tech fountain pen friendly paper that offers gorgeous color expression

Kaweco Fountain Pen Ink Cartridge [6 PCS / 10 PCS] Color:Assorted Mix 10 PCS The name Opus was chosenKaweco's water based ink cartridges fit any fountain pen that takes the international standard short cartridge. Choose from a variety of subtle and vibrant ink colors and enjoy penning your next missive. 6 cartridges per box.