Mitsubishi Uni-ball ONE P Gel Pen – Limited Edition Bathbomb Colors

The pen that makes writing feel like a treat. The Mitsubishi Uni-ball ONE P in Limited Edition Bathbomb Colors brings soft pastel hues and vivid tones to your journaling — smooth, reliable ink in shades that look as good in a flat lay as they write on the page.

• Limited Edition Bathbomb color palette — soft pastels and vivid tones
• Available in 0.38mm Sabon and 0.5mm Peony tip sizes
• Smooth-flowing pigment-based gel ink — consistent, skip-free writing
• From Mitsubishi, one of Japan's most trusted pen manufacturers
• Perfect for journaling, note-taking, hand lettering, and planner use

For the pen collector, the journaler who curates every tool, the student with an eye for aesthetic, or anyone who believes a good pen makes writing worth doing. A limited colorway that won't be here forever.

Add your favorite tip size to your collection.

FAQ

What is the Uni-ball ONE P Bathbomb color pen?
It's a limited edition Mitsubishi Uni-ball ONE P gel pen in a special Bathbomb color palette — available in 0.38mm and 0.5mm, featuring soft pastel hues designed for journaling and everyday writing.

Is uni-ball ONE P good for journaling?
Yes — the ONE P is known for its smooth gel ink flow, consistent line width, and comfortable grip, making it a popular choice for journaling, planning, and everyday writing.