The Arctic Zone Pro Expandable Lunch pack easily expands for extra capacity and includes an interlocking container set high-performance ice pack and a 650mL Tritan bottle for liquids. The interior features SuperFoam insulation with Therma-Flect radiant barrier to keep food and drinks cold. An interior ice pack/accessory pocket is conveniently located inside the lunch pack. Arctic Zone Pro lunch pack features an easy-clean lining with Microban to help protect against bacterial odors and stains. The lunch pack s exterior includes an elasticized mesh bottle pocket zippered pocket two rugged handles for horizontal or vertical carrying and a removable adjustable shoulder strap.