The Daigger autoclavable biohazard bags 1.5Mil easily handle decontamination and disposal of bio hazardous materials. These orange polypropylene bags can withstand up to 135 degree; C (275 degree; F) and will not melt or soften when autoclaved properly. A temperature indicator patch shows when autoclavable biohazard bags 1.5 mil have reached the proper Autoclave temperature. BAGS include twist-tie closures.