Keep lunches cool for school with the packit mini kids lunch bag r more than your average kids lunch bag the packit features interior walls lined with innovative patented freezable gel which keeps food and drink cold for up to 10 hours no more warm lunches food tastes just as delicious as the moment its packed r the bag conveniently folds down flat allowing you to pop it in the fridge or freezer overnight r made from food safe non toxic poly canvas with waterproof eva coating r pvc