Each liner of our 15 pound double premium soap mold holds 88.2 ounces of oils maximum. Each liner will hold approximately 7.5 pounds of finished soap. If both liners are used this mold will yield approximately 15 pounds of finished soap total. If the soap mold liners are filled to the very top, each cavity can yield up to 8.3 pounds per mold liner before cure or cook. This mold will make 36 1" bars of soap.