A great vacuum mug keeps your drink hot for hours. Sometimes that means your fresh cup is too hot. QuickSip™ uses TempCore™ technology to cool your drink to an ideal temp in minutes, then holds it there for hours*, giving you the luxury of enjoying it more immediately.*When used with a vacuum travel mug. Time hot will vary with mug design and insulation type. Overall time hot will be on par with mug’s thermal performance when not used with QuickSip™. Drinkable temperature is defined as 175°F / 80°C.Cools hot drinks to ideal temp 20x faster* using TempCore™ technology.