ShockWatch ColdMark 41-Degree Fahrenheit Temperature Indicator, 100/Box (CM 5/41)

Temperatures can vary dramatically during transit. Your product may encounter unexpected delays and be stored in less than perfect conditions. This ShockWatch ColdMark 41-degree Fahrenheit descending temperature indicator is a single-use device that provides accurate, irreversible evidence of a below-temperature deviation. It turns from clear to violet when the temperature goes below a predetermined threshold and provides a cost-effective tool for monitoring the temperature of your package. With the information you gather from this indicator, you can make smarter decisions across your cold chain.