U.S. Military 1 Quart Arctic Canteen with Canvass Cover. The arctic canteen is made from 100% Stainless Steel. The canteen is designed with two layers of steel to form a pocket of air that insulates the canteen. It will keep your water from freezing to -50F. The stopper is made from heavy duty plastic and is attached to the canteen. The cover is new and has two ALICE clips on the back.