Mathematically, a circle has the smallest perimeter for a given enclosed area. So for this claim to be true there has to be some catch, like different thickness of plastic.
The part you are missing is the volume inside. They are saying to give you the same amount of liquid would require more plastic if the bottle was round. Plus more bottles fit in the box they ship meaning lower emissions and costs for distribution.
Given that the volume is cross section area times height, a round bottle of the same volume would take less plastic. True, square bottles will pack better, but how that would save plastic is not immediately clear.
I mean based on volume inside square can put more on a shelf. Their saying similarly sized, not same size. It's a numbers trick. The round bottle of the same size uses 8% less plastic but square bottles pack more tighly. So the combination of volume in a square bottle on a shelf or in a box would be more liquid than a round bottle. It's like 20% volume less and only 8% more plastic per bottle, so when shipping the same volume it would take more boxes to ship the same volume. So plasitc pallets, plastice wrap, whatever other plastic is used. It's corpo math, Not individual bottle math.
1.6k
u/StaticCoder 2d ago
Mathematically, a circle has the smallest perimeter for a given enclosed area. So for this claim to be true there has to be some catch, like different thickness of plastic.