Portable Mini Insulin Refrigerator Cup Cooler Medical Travel Cooling Cup Bottle gray

Features: 304 stainless steel vacuum insulation layer, adopts imported constant temperature refrigerant, in the high temperature climate of 42 degrees (low temperature -30 degrees below zero), remains its companion. Without opening the lid, the temperature of the medication can be clearly seen at a glance. It is very convenient. The refrigerated cup has been treated with high temperature and high pressure and has a long shelf life. Portable size is suitable for travel use or home use. It is not necessary to use the battery, it is not necessary to charge it. How to use: place the refrigeration agent in the freezer compartment for 5-6 hours and take it to the freezer. How to use without a refrigerator: buy ice cold drinking water in the stor