... roll 1,medical paper,laminated film 2,blue,green film 3,EO,STEAM indicators 4,CE,ISO certificate Dental heat-sealing ... right position to make sure the security of using when open.3,Sealing the pouch/packaging with right machine,including temeperature,to ... sterilization,as for EO is brown.6,How to open the pouch: open the cap according to the right direction printed on ...