Function: Thermal insulation, cold insulation, freshness preservation, storage Scope of application: Can hold lunch boxes, fruits, beverages, snacks Applicable scenario: Travel Color: Dumpling Insulation Package [Forest Green], Dumpling Insulation Package [Calendula Color], Dumpling Insulation Package [Starry Black], Dumpling Insulation Package [Persian Grey] B: Insulated meal bag A: Insulation bag C: Handheld insulated meal bag