Insulated Thermo Flask/ Jug has the inner and outer section made of steel material. The Thermo Flask designed for hotel room service and restaurant table services for keeping hot or cold water for long hours. The Insulated Thermo Flask is also used in hospital and nursing services. Insulated Thermo Flask/ Jug is available in different capacities such as 900ml, 1200ml and 1500ml. Princess is available in capacities 325ml, 500ml, 750ml, 1000ml, 1500ml and 2000ml.