These are used for storage of cooked or uncooked food. The round, and cylindrical shapes are more popular than the square or the rectangular shapes. They are available with different capacities. They vary in height, diameter, thus a wide variety is available in stainless steel or aluminium. The gauge of Stainless steel used is 18 or 22.
The styling of the container & the lid is varied, and there are no standard styling procedures that are followed in the manufacturing. They are available in highly polished finish or matt or brushed steel finish and sometimes in a combination of finishes too. Some have decorative designs on them. Some have perforations on the lid as well as the container which allow air to circulate in the dabba, thus keeping the contents fresh, especially useful for storing herbs and green chillies etc in a refrigerator.