Muji Gel Ink Ballpoint Pen - Navy - 0.5 mm - 10 Pack

Our Ballpoint Gel Ink Pens come in a pack of 10 and feature cap-type lids, making them a practical...

Best current price£15.99from Amazon

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AmazonMuji Blue/Black Gel Ink Ballpoint Pen Cap Type 10-Pieces Set, 0.5 Mm Nib Size,
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MUJI UKMuji Navy Gel Pens With Cap - 05 Mm Medium Pack Of 10 Unisex Black
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£16.95
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Product Information

Full details

The Muji Gel Ink Ballpoint Pen (0.5 mm) is designed for students, office professionals, and journal enthusiasts who prioritize clean, precise, and consistent writing. These pens provide a smooth, reliable ink flow that makes long-form note-taking and detailed sketching effortless. While they offer excellent value and performance, users should be aware that the gel ink requires a moment to set on glossy surfaces to prevent potential smudging.

All features

Model Part Number11686
BrandMuji

Extended Product Information

FAQs

Is the ink waterproof?

No, the gel ink is water-based and will smear if exposed to moisture.

Are these pens refillable?

This specific model is designed as a disposable unit.

Will the ink bleed through thin notebook paper?

Generally, the 0.5 mm gel ink is light enough to prevent heavy bleed-through on standard notebook paper, though results may vary on extremely thin newsprint.

Can I use these for archival art projects?

While the pens are great for daily journaling and sketching, they are not specifically marketed as archival or light-fast.

Does the ink dry quickly?

Yes, on standard paper, the ink dries almost instantly, making it suitable for left-handed writers.

Troubleshooting

Pen stops writing abruptly

Scribble in a circular motion on a scrap piece of paper to jumpstart the ink flow or check if the nib has accumulated paper fibers.

Ink looks scratchy or thin

Ensure you are using the correct pressure; gel pens require very little force. If the issue persists, the ink may have settled; shake the pen gently tip-down.

Pros and Cons

Pros

  • Consistent and reliable ink flow
  • Precise 0.5 mm line width ideal for note-taking
  • Cap-type lid prevents ink drying
  • Lightweight and comfortable for daily use
  • Clean, professional-looking ink color

Cons

  • Gel ink may smudge on very glossy paper
  • Not intended for use on waterproof surfaces
  • Cap must be replaced securely to prevent dry-out

Setup, Compatibility & Care

To ensure the longevity of your Muji pens, keep the following tips in mind:

  1. Storage: Store pens horizontally or with the cap facing downward to keep the ink near the nib.
  2. Cap Management: Always snap the cap shut until you hear a click. Leaving the pen uncapped for extended periods will cause the gel ink to thicken and dry out.
  3. Paper Compatibility: These pens work best on standard recycled or bond paper. Avoid writing on plastic, glass, or glossy photo paper, as the ink will not absorb and may remain wet indefinitely.
  4. Handling: Avoid dropping the pens on hard surfaces, as the delicate 0.5 mm metal tip can become misaligned if impacted.

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