The stainless steel wire frame and bottom is designed to securely support the bag and its contents. In addition, the polypropylene bottom also serves as a containment tray in the event of inadvertent bag leakage. Tray is safety orange in color for easy identification as a biohazard containment system. Steam sterilizable at 121°C (250°F) to maintain sterility. The small bag holder with its small footprint is ideal for benchtop use. These lightweight units are shipped unassembled for more economical transportation. Assembly is easy and is permanent.