A load that leaves gaps around the pallet edge or stops short of usable height ships air. Right-sizing the package to the pallet pattern is often the cheapest freight improvement available, because nothing about the product or the process has to change.
You may also want to explore
How can packaging reduce warehouse space?
Most warehouses lose space in the same four places, and packaging touches all of them.
LearnHow do empty containers affect freight cost?
Rigid packaging is efficient in one direction. The other direction is where the money leaks.
TermSlip sheet
A thin sheet used in place of a pallet, moved with a push-pull attachment.
TermNestable
Empty units sit inside each other, so empties take much less space than fulls.
TermDunnage
Material used to fill voids and stop load movement in transit.
If this becomes a real requirement
CAQUIN sources industrial packaging to specification. Send what you use today, roughly how much, and where it ships — a photo is enough to start.