Double side autoclave indicator tape is primarily intended for use with double side tape self-sealing sterilization pouch along with autoclave indicator tape together. The steam indicator is printed on one side of release paper of the double side tape. When using,peel off one side with blank release paper and stick on the pouch, and peel off the release paper imprint with indicator and put it into the pouch as the autoclave indicator strip, and sealing the pouch . 
  
The autoclave indicator strip is printed with a steam chemical indicator that turns from yellow to dark brown or black in all steam sterilization cycles including 250°f/121°c  and 270°f/132°c.