The inner core of 304 Austenitic stainless steel and the outer shell of PP, all meet the international food contact level standards.
Separate the inner and outer boxes, which can be heated by water and enjoy hot food anytime and anywhere.
As a professional lunch box factory, CNCROWN only produces stainless steel insulated lunch boxes without leakage problems. They are easy to use.
The combination of high-quality silica gel and buckle structure can achieve 100% leakage free.
Automatic pressure relief valve, microwave heating do not open the cover, to maintain food moisture and nutrition. It is easier to open the lid of the insulated steel lunch box when heated with hot water.