... proper size for the pouch ,which adjust to the item to ba sterilized ,or the pouch/packaging might be broken ... security of using when open. 3,sealing the pouch/packaging with right machine,including temeperature,to make ... EO is brown. 6,HOW to open the pouch: open the cap according to the right ... direction printed on the pouch/packaging 7,IF the pouch/packaging is damaged ,or polluted , ...