• For autoclaving Petri dishes, tubes, jars or other contaminated products • Unprinted bags: translucent polypropylene • Bags printed with a graphic symbol ''biological risk'': made of natural transparent polypropylene • Resistant at 121 °C • Thickness: 40 µm • Capacity: 3 to 33 litres • Recommendation: to withstand autoclave, the bags should not be hermetically sealed