Inserts
Inside parts like inserts are added in order to firm product better or to separate more kinds of products within one box.
Grids
Inside parts of boxes made of corrugated cardboard like grids are applied to provide stability for packed products, to increase the firmness of the whole package also to separate packed products physically. They are especially applied in packaging glass material as well as fruit products.
Separate cardboard
Inside parts like separate cardboard is used to pack products in more layers within the same box.
