[wraptile]

I'm confused how is that relevant what's being carried in it? in fact the flexible synthethic backpack molds much better to variable-sized objects you'd put in it rather than giant square leather bucket.

[JohnBooty]

You... don't understand how carrying heavier, bulkier loads will cause more stress on a bag?

[nephanth]

Weight pulls on seams and fabric, and since they're likely to cut costs on something they give away for free, carrying a high weight would probably shortening its lifespan