Zojirushi ZONCE09ST Ms. Bento Stainless-Steel Vacuum Lunch Jar, 28.5-Ounce Round jar with 3 food bowls for hot or cold lunch storage. Vacuum-insulated stainless-steel construction keeps food warm. Includes convenient carrying bag for transport Microwaveable bowls measure 10.5, 11.2, and 6.8 ounces. Easy-to-clean container washes quickly; forked spoon with protective cover attaches to jar Heat retention after 6 hours is 149 degree Fahrenheit and cold retention after 6 hours is 50 degree Fahrenheit. Rating is based on water at a starting temperature of 95 degree Celsius at a room temperature of 20 degree Celsius Note-if the side bowl lid is closed with hot foods inside, the lid may be difficult to remove. In this case open the lid while holding the side bowl gasket with your fingers to allow air inside Rating is based on water at a starting temperature of 4 degree Celsius at room temperature of 20 degree Celsius