... , one piece, seamless structure 35L Insulated Soup Container cold or hotFeatures: 1) One piece polyethylene outer shell combined ... 3)Vent cap equalizes internal pressure4)Nylon over-center latch design, ensures maximum tempreture retention5)Interlock stacking during ... LLDPE material, non-toxic, UV resistant, both hot and cold resistant, corrosion-resistant. 4) Thick polyurethane insulation layer, ...