... Long lasting heat preservation effect-8hours 115L Insulated Food Container with power for hot SpecificationModel: X08 External Dim: 66* ... requirement.7) One piece seamless polyethylene outer shell, filled with thick polyurethane foam.8) Food grade LLDPE, non toxic, ... Group, and so on) which food industry, big-and-middle-sized enterprise, government purchasing, star classification hotels, bank system, ...