The Japanese-designed Kanpai Bottle 350 is made of vacuum-sealed. double-wall stainless steel. The Kanpai Bottle will keep drinks hot or cold for hours at a time. and is optimal for daily use and camping kits. The Kanpai Bottle is accompanied by three different lids for different beverage types. The Kanpai Bottle is available in three colors. Pair the Kanpai Bottle with the Titanium Spork or Titanium Trek Bowl.