These lunch bags are amazing and they come with 2 reusable Ice Walls that are the best ice packs on the market. The ice walls zip into the lid of the bag so they don’t take up space on the inside. They stay cold for many hours. After a 10 hour day, these ice packs will still be cold! This bag also comes with handy storage containers. It is the perfect size, easy to carry, and comes in several colors.