Vacuum insulation durable stainless steel built in tea hook drinklock™ sealing lid 5 year guarantee introducing the thermos stainless king tumbler – the ultimate beverage buddy'! '.strtoupper('f')eaturing thermos’ vacuum insulation, this tumbler can keep your drinks hot for 7 hours and cold for 18 hours, so whether you’re sipping on your hot morning coffee or some refreshing iced tea, this container has got you covered'. '.strtoupper('w')ith a sturdy stainless steel interior and exterior, this thermos tumbler is cool to the touch with hot liquids and sweat proof with cold'. '.strtoupper('g')one are the days of condensation ruining your grip'! '.strtoupper('f')itting most vehicle cup holders, this vessel is the perfect on the go companion for those long commutes and workdays'. '.strtoupper('c')ontaining a built in tea hook, the thermos stainless king tumbler easily holds tea bags and most loose leaf infusers'. '.strtoupper('c')omplete with a drinklock™ sealing lid, you can rest assured that your beverages will stay put and not spill'. '.strtoupper('w')hether you’re hitting the gym, running errands, or working at the office, this tumbler has got your back!