Finnish Army experimental water bottle
The volume is about 0.85 liters, made of steel with plastic cap, a nylon pouch and belt loop and a clip for Attaching the bottle to your kit. The belt loop can be opened, and the cap assembly pulled out together with the bottle itself, if You need to use it without the pouch.
Photo Credit : Here
This Steel Bottle was made to replace the old wartime model aluminum and saw limited use in the 80's, Before plastic bottles were Introduced.
Apparently the steel bottle has proved to be too expensive because we believe that this product is in every way better than the current version of the plastic, but a somewhat Heavier!