Why do you need a titanium flask Titanium is light in weight, stronger than steel and is also a metal with highly inert properties. The resulting benefits of this inert metal are: anti corrosiveness, non allergenic to nearly all people, and absent of metallic taste or odor. Snow Peak's Titanium Flask is not only light enough for the most extreme ounce counting mountaineer, but also will win the approval of the most snobby collector of Scotch. Made out of the finest Grade A Titanium. Each comes cased in its own gift package including a suede carrying case and plastic funnel.