Amway Queen Cook Inner Pot Outer diameter: Approximately 22.8cm Inner diameter: Approximately 21cm There is a step at an inner diameter of approximately 18.5cm. Height: 5.5cm It also fits inside the stew pot for steaming. You can place it on top of the sauce pan for two-tiered simultaneous heating. Please confirm the compatibility with your other Amway pots before making your decision. This was a gift. It has been stored at home. Please understand that this item has been stored at home before purchasing.