A sterilization case assembly including a plurality of sterilization cases having a first sterilization case and a second sterilization case. The second sterilization case is stacked upon the first sterilization case in a vertical direction. The second sterilization case is offset from the first sterilization case in a direction transverse to the vertical direction. In another embodiment, the second sterilization case is configured for both stacking offset from the first sterilization case in a direction transverse to the vertical direction and stacking inline from the first sterilization case in a direction transverse to the vertical direction.