Made of high borosilicate high-temperature resistant glass, transparent, impurity-free, non-toxic and harmless. It can withstand cold and hot temperature differences and is applicable to microwave ovens, ovens and refrigerators. The upgraded sealed silicone ring keeps food fresh, prevents leakage and flavor mixing. The compartmental design separates meat and vegetables for neat storage. The smooth box body does not absorb oil and is easy to clean, high temperature resistant and not easy to crack, ideal for office workers’ lunch, food refrigeration and leftover preservation.