The Titan Fridge Cold Expandable Lunch Bag provides double capacity when expanded* and up to 6 hours of fridge cold performance**! The lunch box features 2 high performance Ice Walls® that in combination with SuperFoam® insulation and Therma-Flect® radiant barrier provide superior cooling to keep food fridge cold (4.4°C/40°F) up to 6 hours**! The interior also includes a leak proof***, easy clean lining with Microban®**** to help protect against bacterial odors and stains. The Ice Walls® fit inside two exterior pockets allowing you to pack lunch the night before, refrigerate it and insert the frozen Ice Walls® in the morning without losing any of the cold by opening the lunch box. The lunch box can be carried 5 different ways including horizontally or vertically by its handles or by the removable, adjustable shoulder strap. One of the handles has a Swing Clip™ that attaches to backpacks if you want to go hands-free. The coated exterior of the lunch box is water repellent and wipes clean easily with a damp cloth. Great for school, the office, picnics… *approximately** Results will vary according to the ambient temperature, food type, volume and starting temperature of the contents.***liquids may leak through the zipper****main compartment and front zippered pocket