Autoclavable Polypropylene Bags and Liners for Laboratory Waste. Clavies bags offer maximum protection and performance for autoclavability. The durable .05mm thick PP bag is filled with used labware such as petri dishes, membrane filters, culture plates, pipettes, etc., then autoclaved and discarded. The three largest sizes hold 65, 200 and 240 standard petri dishes respectively. Steam autoclavable at 135° C (275° F).