The Titan by Arctic Zone Fridge Cold, Zipperless, Insulated Lunch Box is like having your own portable mini-fridge! The lunch box's 3 High Performance Ice Walls (reusable gel ice packs), in combination with SuperFoam insulation, provide superior cooling to keep food and drinks Fridge Cold (under 40°F/4.4°C) for up to 6 hours and chilled (under 50°F/10°C) for up to 12 hours*! Two of the Ice Walls fit inside exterior pockets and the third can be placed inside the lunch box. The Titan Fridge Cold Zipperless Lunch Box features our patented, “flip-open”, zipperless lid that provides quick access to food and drinks. The lunch box also includes a leak proof, bento container set. The perfect small cooler for big appetites or long days (or both), the Titan Fridge Cold is roomy, has an Ultra Safe, leak proof, easy clean lining with Microban protection, and includes a durable HardBody liner with SmartShelf that allows you to keep hard stuff like drinks separate from soft stuff, so sandwiches and other soft foods don't get crushed. If you want to use the entire liner, the SmartShelf easily removes to provide one large compartment. For easy carrying, the lunch box also features an adjustable Backsaver shoulder strap with an anti-slip shoulder pad that centers load weight to reduce muscle stress. The exterior material of the lunch box is durable, water and stain repellent and easy to clean. The perfect lunch box for the office, construction sites, and beyond. *Results will vary according to the ambient temperature, food type, volume and starting temperature of the contents.