What material is the insulated lunch box? What should I pay attention to when choosing an insulated lunch box?

The insulated lunch box can keep the temperature of our food, even in the cold winter, the food will not cool down quickly. Next, Bian Xiao will tell you the good materials of insulated lunch boxes and the matters needing attention when buying insulated lunch boxes.

1. What material is good for the insulated lunch box?

1, stainless steel insulated lunch box. The insulated lunch box made of this material is generally more expensive, with good insulation effect, large capacity and convenient cleaning. However, it is a pregnant mother who has a single appearance and pursues beauty. This model is not suitable.

2, plastic insulated lunch box. Its appearance is generally beautiful, and some even have exquisite patterns. The insulated lunch box made of this material is generally not expensive, but the insulation effect is also very general. It usually has two floors to separate meals. Mom and friends have all had the experience of using plastic products, and cleaning is not easy.

3, glass vacuum insulation lunch box. This material has good heat preservation effect and is not convenient to clean. However, the capacity is generally small, suitable for mothers and friends who eat a lot, and it is easy to go bad.

Second, what should I pay attention to when purchasing insulated lunch boxes?

1, thermal insulation performance

Fill the insulated lunch box with boiling water, then close the outer cover and touch the shell with your hand. If the appearance of the lunch box is obviously warm, especially the bottom is obviously hot, then it means that the thermal insulation of the lunch box is not good, and the vacuum degree has been lost inside.

2, sealing performance

When filled with water, cover the outer cover tightly to see if there is any water leaking out, and then turn the lunch box upside down to see if there is any water leaking out. A well-sealed lunch box keeps warm for a longer time.

3. Material aspect

Because insulated lunch boxes are generally filled with food, which is the food we eat directly. So don't buy those smelly plastic lunch boxes, they may also bring bad effects to our health.

The above is the introduction of the materials and purchase methods of the insulated lunch box. You'd better be able to identify big brands when buying, so that its quality is more secure and more conducive to our health. I hope the above content will be helpful to everyone.