The cooler bag is ideal for school, work, picnic, camping, sports, beach etc.
![cooler bag](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/grey-pixel.gif)
Reference time for each function
Keeps cold - approx. 4 to 6 hours (the warm time shortens the cooling time, the ice packs can last longer, the cooling packs are not included)
Keep warm - approx. 3-4 hours
Keep Fresh - approx. 8 hours (cold time for better effect).