Engineered with advanced double layer insulation technology, this nonrust steel food jar maintains meals hot for 12+ hour while leaks through its 304 grade seal compartments The smooth inner finish enables cleaning while the pressure release valves ensures safe opening, making this golden insulated lunch container both sturdy and user friendly for daily adventure Perfectly preserves lunches during commutes, keep picnics dishes warm at park, or store hot meals without microwave access throughout the work day Ideal for professional, students, and outdoors enthusiasts seek organized meal preps solution for busy schedules Features stackable 3 layer bentos styles container with separate compartments for soups, entrees, and side, all housed in a rusts resistant 304 nonrust steel body with nonslip base and ergonomic PP handle