Zojirushi SM-HAE25 is a stainless steel mug bottle designed to keep beverages hot or cold. It features a vacuum insulation to increase heat retention and a copper or aluminum foil to reduce heat loss. The mug has a capacity of 470ml and comes with a lid set, mouth ring set, and a clear cover. The lid set includes a seal rubber and a mouth ring gasket to prevent leaking. The mug is easy to clean and can be washed with lukewarm water and mild dishwashing liquid. It is not dishwasher safe.