cooler box 1.Sustainable time for cold ... .3.Portable handle,easy to carry4.Ductile box body,firm,durable,storage load-bearing capacity, ... fridge for 6-12hours,then placing them in cooler box.What OEM service can we do for you ... .M71236CDescriptionSustainable time for cold storage 72 hoursItem NameCooler box setCapacity36L, 16L, 2.3LMaterialOuter case:PE,Liner ... /CTN1SET/CTN 3pcs trolley combo cooler box