Double wall electric kettle with 18/8 stainless steel interior ensure tea kettle body stays cool to touch after water boilerDoubVacuum carafe insulation technology locks in temperature to keep beverages hot and cool for up to 6 hoursle wall 18/8 304 stainless steel vacuum construction for maximum insulationLong time heat preservation (2hrs>=176 degree F 4hrs>=155 degree F) and energy savingPour spout opens easily with push button, making one-handed pouring of this coffee carafe simpleAutomatically shuts off when water boils and boil dry protection. Cordless design with 360-degree swivel base