Each cavity of our 9 pound double tall and skinny premium soap mold holds 49.5 ounces (3.09 pounds) of oils maximum. It will yield approximately 4.5 pounds of finished soap per cavity. If both cavities are used it will yield approximately 9 pounds of finished soap. If the soap mold is filled to the very top, each cavity can yield up to 4.65 pounds before cure or cook. This mold will make 22 1" bars of soap.