The innovative solid-state thermoelectric technology of the Koolatron soft-sided cooler keeps food and drinks cool while on the go. It plugs into a 12-volt outlet on a vehicle or boat, so ice is not necessary to keep items chilly. The shoulder strap and handles make it easy to carry and plenty of pockets provide additional storage. | Koolatron 12V Electric Cooler Bag 25L (26 Qt) Collapsible - Grey/Black