Dual-wall body keeps heat inside longer while keeping the outside cool to the touch. Lid opens to a maximum of 70 degrees to prevent direct contact with hot steam. Dry boil and overheating protection with automatic shut-off. Seamless stainless steel container for simple, non-residue cleaning. Limescale filter made with stainless steel for better flavour and less limescale in tea and coffee. Built-in cord wrap for convenient storage