The water based ink in this pen allows for smooth writing and no bleeding through paper. The tip of the pen uses a mechanism to keep ink from flowing in the other direction and drying out. Comes in either black or navy, only in 0.5mm.
MUJI Smooth Gel Ink Ballpoint Pen Knock Type 10-Pieces Set, 0.5 mm Nib size, Black
Brand: Muji, Made in Japan, Muji 0.7mm Aluminium Hexagonal Minimalist Retractable Ballpoint Pen, Body Color: Silver, Line Size: 0.7mm, Ink Color
Muji 0.7mm Aluminium Hexagonal Minimalist Retractable Ballpoint Pen / Pen Refill
Black Muji Pens - UK
Muji Mechanical Pens - UK
Muji Smooth Writing Gel Pen 0.5 mm - Black — Stationery Pal
7mm Ball Point Pen
Clear retractable ballpoint pen smooth drawing.Ink type is Aqueous pigment ink. 10 color set black, blue, light blue, purple, red, pink, orange,
Muji Clear Ballpoint Gel Pen 0.5mm [10 colors SET] retractable
how muji broke my heart (pen review)
Gel Pens Set, 5 Pack Retractable Gel Ink Pens 0.5mm Fine Points
7mm Ball Point Pen
Muji Mechanical Pens - UK
Pens and Pencils, Japanese Stationery
MUJI Smooth Gel Ink Retractable Ballpoint Pen / Refill 0.5mm
MUJI - 0.5mm Blue Black Smooth Gel Ink Retractable Ballpoint Pen
Muji 0.7mm Aluminium Hexagonal Minimalist Retractable Ballpoint Pen / Pen Refill