The Titan by Arctic Zone™ Fridge Cold Lunch Box is like having your own portable mini-fridge. From school to the office and everywhere in between, this lunch box keeps meals fresh and ready to eat all day long. The lunch box includes 2 High Performance Ice Walls® that in combination with SuperFoam® insulation and a Therma-Flect® radiant barrier interior provide superior cooling to keep food and drinks Fridge Cold (40°F/4.4°C) up to 6 hours and chilled (50°F/10°C) up to 12*! The Ice Walls® fit inside zippered, exterior Ice Wall® pockets to allow more room for food and drinks on the inside of the lunch box. The interior of the lunch box can accommodate most bento style containers and features a leak proof**, easy clean lining with Microban® to help protect against odors and stains. It has a durable, stain and water repellent exterior that is easy to wipe clean and a padded handle with Swing Clip™ that attaches to backpacks for hands-free carrying. *Results will vary according to the ambient temperature, food type, volume and starting temperature of the contents. **zipper is not leak proof