Cooler box 4.5

The design of a cooler box typically consists of a sturdy outer shell made from materials such as plastic, metal, or durable fabric. This outer shell provides protection and insulation, helping to maintain the internal temperature and prevent heat transfer from the surroundings. Some cooler boxes feature additional features like handles, wheels, and carrying straps for easier transportation.The insulation inside the cooler box plays a crucial role in its functionality. Most cooler boxes have thick walls filled with insulating materials such as foam or gel packs. Some lids also have built-in features like cup holders, cutting boards, or trays for added convenience.These frozen elements help to lower the temperature inside the box and keep the contents chilled for an extended period.