WW2 Swedish military issue aluminum canteen with felt cover.
Alloy Water bottle
Screw off cap,
Heavy duty spring clip for attaching to webbing
Popper snap closure on felt cover.
Bottles may vary from image
 
Due to age, It is recommended that this is a collectors item only. We cannot provide any information on the safety of using this as a functional water bottle. If you do we recommend that you steralise the inner bottle.