Self-heating vacuum flask means piping hot coffee all day long Enjoy a hot cup of coffee or a cold drink any time of day with the 1L 12V Insulated Vacuum Flask from Koolatron. Not only does double-walled vacuum insulation keep your drinks at their ideal temperature for longer, this high-tech portable flask has a built-in heater to ensure your coffee, tea, or soup stays piping hot for as long as you want. Plug the 6 ft (1.8 m) power cord into your vehicle's 12V receptacle to use in heating mode and take your lunches and coffee breaks to a whole new level. Leakproof thermal flask with tons of features This 1 L capacity silver and black travel flask is made of premium materials, including double-walled stainless steel, black ABS accents, cool-touch flexible handle, leakproof rubber gasket, and adjustable canvas webbing carry strap. A convenient push-and-pour stopper lets you dispense your beverage without any temperature loss and leakproof seal means no worrying about spills in your car or lunch bag. With the generous 1 L capacity and insulated lid that doubles as a serving cup, you can always have a hot drink or meal waiting for you at sporting events, on a worksite, or on long road trips. Product Features:Double wall stainless steel with vacuum insulation prevents temperature loss to keep your hot drinks hot or your cold drinks coldPlug the 6 ft (1.8 m) power cord into your vehicle's 12V receptacle to use this thermal flask's built-in heating element to keep your coffee, tea, or soup hot and ready to drink wherever you areThermal flask features a generous 1L capacity and insulated lid that doubles as a single serving cup so you can enjoy a fresh hot cup of coffee or tea or stay hydrated with a cup of cool water any time of dayPush-and-pour stopper unlocks with the push of a button to dispense coffee, tea, or cold water with no temperature loss and locks securely to prevent leaksMade of premium materials, including sleek stainless steel interior and exterior, black ABS accents, cool-touch flexible handle, leakproof rubber gasket, and adjustable canvas webbing carry strap