... indicators 4,CE,ISO certificate Dental heat-sealing sterilization pouch roll MATERIAL. 1. medical –grade paper and ... USE:1, Choose proper size for the pouch ,which adjust to the item to be sterilized ... of using when open.3,Sealing the pouch/packaging with right machine,including temeperature,to ... to the right direction printed on the pouch/packaging7,If the pouch/packaging is damaged ,or polluted , ...