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トンボ鉛筆 Tombow

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  2. Tombow Q&A
  3. Precautions in use
  4. Ballpoint pens
  5. How to store ballpoint pens

Q&A

Precautions in use

Ballpoint pens ：How to store ballpoint pens

The ink deteriorates when placed at high temperature for a long time. Avoid placing ballpoint pens in places with high temperature and high.
Please note that the ink stickiness becomes stronger at low temperature, which causes the line becoming thinner and heavier in writing.

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General Info Catalog

General Information of Tombow 2024-2025 Lineup of all products of Tombow

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Eco Info Catalog

Information and lineup of environmental products of Tombow 2020

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