Large size can be used in conjunction with multi-instrument cassettes. Once sterilised, the cassette can then be stored in the pouch and only opened when required in the surgery. Each pouch printed with colour change process indicators for both steam (autoclave) and ethylene oxide sterilisation. Single use. CE marked and meet the requirements of HTM 01-05, BS EN 868-5 and ISO 11607-1. Autoclavable.