As the ever-wise George Costanza rightly noted, important things go in a case! The implication here is that things that are important need to be protected from the outside, especially items that are in transit.
The other day we ordered some new salt and pepper shakers and they arrived yesterday. The shakers were made of glass, so naturally we expected protective packaging for their journey to our home. But Amazon went above and beyond to ensure their safe arrival!
The shakers were (obviously!) in the smaller box, nicely wrapped in cellophane to keep them nice and snug. The larger box was filled with those air-filled plastic pouches to provide suitable shock absorption for the ride.
Αυτω η δοξα