Keeps food and drinks fridge cold (40°F) up to six hours and chilled (50°F) up to 12 hours! It also doubles in capacity when expanded allowing you to pack more food when you need to. The lunch pack features front and back molded panels that provide stability and crush resistance. Included are two high performance ice walls that in combination with SuperFoam insulation and Therma-Flect radiant barrier interior keep the cold locked in. The interior includes a leak-proof lining with built-in Microban to help protect against bacterial odors and stains and make the lining easier to clean. The exterior of the lunch box is stain and water repellent, so it wipes clean easily. The lunch box can be carried either vertically or horizontally by its handles or by the removable, adjustable shoulder strap. Great for appetites big and small. Color(s): Blue; Color Family: Blue; Material(s): Polyester; Carrying Handle: Yes.