The 20oz Kanteen? Insulated has double-walled, vacuum insulation to keep it that way: up to six hours for hot stuff, and more than 24 for iced drinks.

Made from high quality, 18/8, food-grade stainless steel with a 100% stainless interior, so it won't retain or impart flavors.

Choose: Both Caps, Stainless Loop Cap or Caf? Hot Cap