Start your day knowing that every sip will be just the right temperature, whether you’re heading to work or venturing outdoors. The SM-WS48-GM model from Zojirushi features advanced stainless steel vacuum insulation, ensuring your coffee stays hot through morning meetings and water remains chilled on sunny afternoons. With a thoughtfully engineered flip lid and safety lock, accidental spills are a thing of the past—even when tossed in a bag or carried on-the-go. The SlickSteel finish harnesses electropolishing technology for an ultra-clean interior that resists stains and odors without any coating, giving you pure taste with every pour. Effortlessly refill or add ice thanks to its wide opening, while one-hand operation makes hydration seamless during commutes or workouts. Designed for those who demand reliability and simplicity from their daily essentials, this mug combines innovation with everyday practicality.