Hawkins Bigboy Pressure Cooker is made from good quality aluminium which is light in weight and long-lasting. Its outer lid feature is suitable for both separator cooking and direct vessel cooking. It is strong, easy to maintain and safe to use. This pressure cookers results in perfectly and evenly cooked dishes. The pressure regulator is secured with a chain to prevent it from being lost. It is suitable for a gas stove and is durable. Actual cooking trials in 22 litre Bigboy pressure cookers show that there is a saving of 46 percent to 57 percent in gas consumption when cooking 15 to 16 kg of tur dal, chana masala and mutton masala. These quantities will cook in 29 to 48 minutes and would serve 50 to 100 persons. The savings in fuel alone will pay for the Bigboy pressure cooker in less than a year. Ideal for cooking for: 22-30 Persons. Base flat diameter: 245 mm. Base thickness: 4.88 mm. Capacity: 22 Litre.