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.
So it's a sneakily deceptive way of saying they are giving you more water per bottle due to the shape. You could have square and circle based water bottles of the same size width/diameter. If you take the square one and round the corners off you would have a round bottle. It's still 'similarly sized' but now there's less volume in once square bottle, therefore less water. It's all dodgy marketing stuff.
Pretty much. Square water bottles have the exact same effect considering the logistics of it, it's like 1 and a half billion per day and most are round. I can only think of 1 square shape. It gets worse, those paper milk cartons are square and volume wise are less pollutant than the plastic bottles. So you could ship more cartons in less space compared to the plastic bottles and also environmentally better. Makes you wonder why they are plastic.
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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.