3M Comply steam indicator tapes for disposable wraps is an exposure monitor that securely seals packs and provides a visual assurance that the package has been exposed to the steam sterilization process. The chemical indicator ink, printed in a diagonal striped pattern, changes color or turns darker when exposed to the sterilization process. Features: Lead free ink means no hazardous waste issues. Trusted, high quality adhesive. Stretchable backing that minimizes tape "pop-off" during sterilization. Can be written on or labeled with pre-printed labels.