Designed as a sterilization method for medical instruments of varying shapes and sizes. It unwraps smoothly and can be cut in various lengths. Blue-transparent film backing for easy identification of contents. Can be used with steam and ethylene oxide (ETO) autoclaves/sterilizers. Steam Indicator will change from blue to black; ETO indicator will change from pink to brown.. Environmentally friendly, water-based ink (lead-free ink). 2 inches x 100 feet.