Medicom DuetSeal Ster Pouch 2.75x9" 200pcs/BoxThe perforated fold facilitates precise folding of a wide self adhesive strip to form an airtight seal. Internal and external multiparameter process indicators for steam sterilization respond to three variables: time, temperature and saturated steam. The multiparameter process indicators printed directly on the pouch confirm sterilization parameters. Blue tinted film makes it easy to view instruments and detect punctures or tears. Convenient thumb