INSULIN SAFE IS18-72 [Model] IS18-72 [Principle] The coolant inside the flask can absorb heat and keep temperature in the flask at 18℃-25 for 72 hours even in the 40℃ climate. [Feathers] Efficient:When fully cool storage, the internal temperature of this product can be kept at 18-25℃ for 72 hours in the 40℃ climate. Safe: the unique PCM coolant inside can freeze at 18℃,which means it can become `ICE` in the fridge with 0℃ plus temperature, melt and absorb heat to keep the flask at 18℃ for the safety of insulin.

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