Hawkins Big Boy 22 Liter Pressure Cooker. The Bigboy range has been specially designed to cook large quantities of food quickly and economically. This Hawkins Big Boy pressure cooker is awesome big cooker and is great for family get togethers, holiday cookings, and the like! Hawkins pressure cooker is made from commercially pure, virgin aluminum. Hawkins pressure cooker is mirror polished; interior and base matt finish. Hawkins pressure cooker has inside fitting lid opens only when pressure falls. Stay cool handles. The 18 litre Bigboy pressure cookers have a pair of sturdy lifting handles attached to the sides of the pressure cooker for convenience in handling the heavy weight carried by such pressure cookers. The plastic handles of all Bigboy pressure cookers are made from reinforced fibreglass for extra strength. Similarly, all other components of Bigboy pressure cookers are made for heavy duty. A chain is attached to the vent weight to prevent loss in busy kitchens. Recommended for use on gas or kerosene stoves. They may also be used on coal burning or firewood stoves provided a suitable gap is kept between the fuel and the bottom of the cooker. The Hawkins Bigboy has been designed primarily for restaurants and catering. The 22L size allows for cooking of extra large volumes of food with great speed. The design of this cooker reflects this purpose. Extra sturdy handles are fitted for easy lifting. Additionally a chain attaches the vent weight to the lid to prevent loss in industrious kitchens.