Child lock bag is a zipper bag with special functions. It is mainly used to protect children from dangerous items and prevent them from accidentally opening the zipper bag.
The materials usually used for child locks are PET+PE, PET+aluminized+PE, etc. Aluminum-plated bags have better barrier properties, light-shielding properties, and fragrance retention properties to prevent food from deteriorating. Child-locked packaging bags must comply with child-safe packaging standards and be equipped with an internal hidden opening design or an external hidden opening design.