Shoulder Tote Lunch Bag, navy leaves. PackIt is the original freezable bag with a patented, built-in cooling technology that keeps food cooler, longer - up to 10 hours! Freezable gel is permanently built into the walls of the bag eliminating the need to buy separate ice packs. It's the smartest and best lunch bags for anyone eating on-the-go. The shoulder tote has comfortable straps and a rectangular flat base to fit various container sizes and bottles. Perfect for school, work, the sports field, travel and more. Simply fold the bag flat and store it in the freezer overnight (12 hours). In the morning, the walls of the lunch bag will be completely frozen and the bag ready for filling. The zippered closure locks in cool, dry air keeping food chilled all day. An exterior zip pocket stores ID cards, napkins, utensils, etc. This lunch box is made from non-toxic poly canvas and has a food-safe, water-resistant lining. Made from non-toxic poly canvas with a food-safe, water-resistant li