Is eating insulated lunch boxes harmful to health for a long time?

Insulation and long-term use will have some things that will affect your health, that is, after your insulation box is used up, some bacteria will remain every time you clean up the problem, and the other is to defend and stay for a long time under ultra-high temperature. It will produce some substances that are harmful to the body, because the baby's and some plastic ingredients are not good for people to use for a long time.