OPUS 88 Harmony Brown《Medium》 white is also part of this

is also part of this cover

but it can also be used with notebooks and books

Rose Beige

You can also convert the notebook into your wallet

OPUS 88 Harmony Brown《Medium》 white is also part of thisThe Harmony fountain pen in Brown from OPUS 88 is a traditional dropper fountain pen that maintains a high ink capacity with a rose gold trim. The knob at the end adjusts the air pressure and ink flow, controlling ink output and airtightness. The pen body and grip can be easily unscrewed for cleaning and refilling. Based in Taiwan, Opus 88 pens has masterfully engineered their pens to serve in both form and function, as well as reflect the artistry