All in 1 Travel Mug, Stubby Cooler and Can Cooler. Made from a Dual Wall Vacuum Sealed Stainless Steel, perfect for your next camping trip in the great outdoors. Convert from Cooler to Drink Tumbler or Thermos Coffee/Hot Drink Mug with the BPA free zero spill screw top lid. Keeps Cold up to 4+ Hrs sweat free and Warm drinks up to 3+ Hours with cool to touch outside surface. Great for the hot coffee on the way to work.