Stays frozen for hours
I am very impressed by Nordic Ice packs. I received one of these in a shipment for an item that was recommended to keep cool. By the time I received it, it wasn't cold anymore, however, I placed it in the freezer to use for school lunches. I was astonished at how long it remained cold. When I unpack my son's lunch at the end of the day it is still frozen.<br /><br />It remains frozen in his lunch box from 8am - 6:00pm.
Rating: 5 stars