When you open a jar of baby food make sure the safety button in the lid actually pops open, it is one of the main conditions that prouves that your baby jar is allowed to be consumed. If you do not hear the pops while opening the baby food jar, do not give it to your baby. To make sure that the procduct is good to be consumed, the lid should not be bumped. When these two conditions are gathered, then you can consume the product with all safety and don't forget to check the expiration dates on food.