Is it possible to distinguish a collapsible and non-collapsible flash drive by eye?

Question

Iron

And if it's possible, can you write which flash drive is collapsible according to the link?
Samples
In short, there are two types of flash drives:
1 I bit the board with my teeth
;

Answer 1

Realistically, but you have to look closely and carefully, from the list it’s not collapsible IMHO only micro, and the rest are very ...

Answer 2

not collapsible - they are essentially monolithic, and so all the rest are collapsible to one degree or another.
You can see photos of examples of monoliths here - kdr.kiev.ua/vosstanovlenie_dannyx/vosstanovlenie_d...