[anigbrowl]

How does a steel water bottle break

[bearbin]

dent, crush, lid or seal failure (which can't be cheaply/practically made of steel)

[kitkat_new]

have been using this one for more than a decade now:

https://www.wasser-aktuell.com/products/1-0l-trekkatanka%E2%...

small dents, but no no issues with lid or seal