ColdMark, a single-use descending temperature indicator, is designed to help shippers identify and correct gaps in their cold chain. The ColdMark turns from clear to violet when the temperature goes below a predetermined threshold.


Available Temperatures 

  • -3°C / 26°F
  • 0°C / 32°F
  • 2°C / 36°F
  • 5°C / 41°F
  • 10°C / 50°F


  • Floral
  • Specimens
  • Chocolate
  • Tissue samples
  • Pharmaceutical
  • Meal delivery
  • Raw and cooked meats
  • Chemicals

Part Numbers

ColdMark -3°C / -26°F CM -3/-26
ColdMark 0°C / 32°F CM 0/32
ColdMark 2°C / 36°F CM 2/36
ColdMark 5°C / 41°F CM 5/41
ColdMark 10°C / 50°F CM 10/50
This product contains Ethylene Glycol a chemical known to the state of California to cause birth defects or other reproductive harm. For more information go to

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