lid is removed when the lid is attached to the jar cylindrical boss 142 extends from the lid liner into the jar and reduces the volume of storage solution in the jar due to these two factors the fluid level in the jar is reduced to well below the rim of the jar when the lid is removed greatly reducing the possibility of spilling storage solution in the operating room lid liner 140 may be used to vertically secure a valve holder support assembly in a jar and prevent damage during shipping cylindrical boss 142 of lid liner 140 may be hollowed out so that it is able to flex and secure valve holder support assemblies of varying heights hollow region 160 is shown in fig1 fig1 18 show the details of a lid liner in accordance with the principles of the present invention fig1 33 illustrate the details of various embodiments of a heart valve support in accordance with the principles of the present invention specifically fig1 23 show features of an aortic valve support fig2 28 show features of a mitral valve support and fig2 33 show features of a supra valve support the support may be flexible so that one support can accommodate the entire size range for each type of heart valve eliminating the need for supports.