Zojirushi SM-JHE36/48 is a stainless steel mug designed to keep beverages hot or cold for extended periods of time. It features a vacuum insulation that prevents heat transfer, ensuring that your drinks stay at the desired temperature for hours. The mug has a capacity of 12 oz. (SM-JHE36) or 16 oz. (SM-JHE48) and comes with a leak-proof lid, making it perfect for taking your favorite beverages on the go. The mug is also easy to clean, with a wide mouth opening and removable parts that can be washed in the dishwasher.