Logistical efficiency is about both incoming materials, used to produce packaging materials, and outgoing product-packaging combinations, including all transport packaging materials.
The efficiency of the incoming materials depends largely on the type of packaging. The delivery of empty bottles is less efficient than that of flexible packaging materials on a roll. In the latter example, a lot more units of packaging can be transported per truckload. In most cases, it is possible to affect the efficiency with your packaging design, for example by: