●Bonzers’ Sterilization Pouch purpose is to distinguish sterilized packages from the non-sterilized ones due to colour change indicators, allowing sterilization of the package contents, maintaining sterility of contents until the package is opened and permit delivery of contents without contamination. ●Made with Medical Grade Paper and transparent multi-layer PET/PP Copolymer film. The Ink used are Water based. It is used for ETO and Steam Sterilization.