Self-sealing pouches constructed of high-quality materials and thick seals to help prevent instrument and cassette tear through. Specifically designed to optimally fit Hu-Friedy cassettes. Built-in internal and external process indicators provide time and temperature verification. Each pouch has a unique corner peel for effortless opening and better fit of the cassettes as well as see-through packaging for clear visibility. Used in steam heat. Class 1 indicator.