Muji Smooth Retractable Gel Pens - Black - 0.5 mm - Pack of 10

Upgrade your stationery with this set of 10 smooth retractable gel pens from Muji. Each pen featur...

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MUJI UKMuji Smooth Retractable Gel Pens - 05 Mm Medium Pack Of 10 Unisex Black
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Product Information

Full details

The Muji Smooth Retractable Gel Pens are ideal for students, office professionals, and journal enthusiasts who prioritize clean lines and reliable daily performance. Featuring a precise 0.5 mm nib and high-quality ink, these pens offer a consistently smooth writing experience that minimizes smudging; however, users should be aware that the ink may take a few seconds to dry fully on non-porous paper surfaces.

All features

Model Part Number82902273
BrandMuji

Extended Product Information

FAQs

Are these pens refillable?

While the exterior housing is durable, these specific pens are designed as disposable units and do not support standard ink refills.

Is the ink waterproof?

The gel ink is water-resistant once dry, but it is not considered archival or fully waterproof.

Will the ink bleed through thin notebook paper?

The 0.5 mm tip releases a controlled amount of ink, which generally prevents bleed-through on most standard notebook papers.

Are these pens suitable for left-handed writers?

Yes, but due to the nature of gel ink, left-handed users should allow a moment for the ink to set to avoid smearing with their hand.

What is the length of the pen?

These pens follow standard Muji sizing, typically measuring approximately 5.5 inches in length, making them comfortable for most hand sizes.

Troubleshooting

The pen is skipping or failing to write.

Check the tip for dried ink or paper debris; clean gently with a soft cloth and scribble on scrap paper to restart the flow.

The retraction mechanism feels stiff.

Ensure the pen is not being held at an angle while clicking; clean any dust or debris from the opening at the top of the barrel.

Pros and Cons

Pros

  • Consistent and reliable ink flow
  • Precise 0.5 mm nib for fine detail
  • Convenient retractable design
  • Minimalist and ergonomic body
  • Generous 10-pack quantity

Cons

  • Ink can smudge on glossy paper
  • May require occasional tip cleaning
  • Limited to black ink only in this set

Setup, Compatibility & Care

These pens are ready for use immediately upon unboxing—simply press the top button to extend the nib. To maintain optimal performance, store the pens with the nib retracted when not in use to prevent ink drying. If the pen has been stored for an extended period and appears to skip, scribble on a scrap piece of paper for a few seconds to reactivate the ink flow. Avoid dropping the pens on hard surfaces, as the fine-point nib is delicate and can be damaged by impact.

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