[pjc50]

The lower canister in the last of the three links, https://www.forbes.com/sites/davidhambling/2024/11/07/ukrain...

Difficult to judge scale, maybe the size of a drinks can or food can? Fiber is pretty thin.

[bprater]

Half a can of soda. The main electronics controller visible in the photo is likely 20x20 or 30x30mm, the standard for FPV style drones.