Igloo MaxCold Dual Zone 24-Qt Lunch Box, Black: * 24 qt capacity * MaxCold features 25 percent more foam to stay cooler longer * Separate hard liner (zone 1 and 2) to keep drinks from smashing sandwiches * Adjustable padded shoulder strap * Multiple pockets on the outside * Hard base with cool riser technology * Leak-resistant, antimicrobial liner