Insert for portable fridge insert for thermal backpack for bag

INSERT FOR Fridge/ Backpack /Bag WITH A CAPACITY OF 600 ML The cooling insert is designed for use in portable fridges as well as in thermal bags and carriers. It helps maintain the low temperature necessary for transporting food. The product is ideal for travel, holidays, the beach, or barbecues. Cooling inserts should be placed in the freezer for 3-6 hours before use (freezing time depends on the set temperature and freezer efficiency). Then, the cooled inserts should be placed in the cooling fridge until it is properly chilled. Cooling time is up to approx. 12 hours (time depends on freezing duration, ambient temperature, and exposure to sunlight). Inserts can be kept in the freezer permanently.