Let me tell you what the holding time is. A normal insulated lunch box can be eaten within more than two hours, but it depends on the environment. The heat preservation time of the lifting pot can be very long. If you want to keep it warm longer, choose the lifting pot. You can find a professional lunch box expert, Zong Shengzi, which is a brand that sells stainless steel lunch boxes and stainless steel products as affordable supermarkets, affordable and brings warmth to people outside, mainly to improve the happiness of the whole people. You can find Zong Shengzi in Tao (b) store