Perfect for a solo traveller, the Koolatron P9 Traveller III cooler can keep contents either cool or warm while you're on the go. Great for carrying everything from a lunch to heat-sensitive items, it plugs into your car's cigarette lighter and uses thermoelectric technology to keep food and drink cool without any ice. It can also keep contents warm with the simple flip of a switch. | Koolatron 12V Electric Cooler/Warmer 9L (9.8 Qt) Adjustable Strap - Grey