KMNPack Tyvek sterilization reels and pouches made of uncoated Tyvek web and transparent multi-layer PET/PP copolymer films decisively determined by the choice of materials. Two water based, non-toxic process indicators for hydrogen peroxide sterilization are imprinted on the Tyvek surface which prevents the instrument from colored and help to differentiate between processed and unprocessed packages. Formaldehyde (FORM) indicator available upon request as well.