Sure-Check Sterilization Pouches

A Class 4 sterilization pouch with internal/external multi-variable indicators only change color when all 3 criteria for sterilization have been met! The worlds most advanced sterilization pouches... with Class 4 multi-variable internal and external indicators. Highest sterility assurance - indicators will only change color when all 3 criteria for sterilization have been met - time, temperature and saturated steam. Self-sealing, medical grade paper, complete film/paper separation, thumb notch, three corner tack seals to prevent curling. Made in the USA.