The may be more expensive to ship but it's unlikely that they will be more expensive to manufacture in the long term. If they can be used 100x times a cardboar

The may be more expensive to ship but it's unlikely that they will be more expensive to manufacture in the long term. If they can be used 100x times a cardboard box, the cost of manufacturing cardboard would be much more. Also, as we move to renewables, the CO2 equation will move further in reusable materials' favor.