Chinese Iron kadai with wooden handle is made up of iron meterial and size is 12 inches with stainless steel Chinese Iron kadai with wooden handle is made up of iron meterial and size is 13 inches. Our manufactured chinese bowls are made of steel. Oil is rubbed on the bowl.The reason for rubbing oil is to avoid rust.When we are packing there is some oil in the bowl. Do not count the oil already in the pan with the oil in the bowl.After receiving the product in your hand,the bowl should be thoroughly washed and rinsed with a dry cotton cloth.Wash the ends of the bowl carefully so that it is sharp.Not all of our prepared pannels (bowls)are machine made. It is purely hand made products. The length of the wooden handle may differ from one to another between 1 cm to 2 cm. . . easy to cook very tasty. Easy to clean both.