180 Days Safe Protection After Sterilization Available in 12 Sizes Clean and Fiber-Free Peel off Complete Film and Paper Separation Effective Barrier Against Germs and Bacteria Excellent Air Permeance Extra Strong Seal Prevents Breach Through by Instrument Medical Grade Paper with Autoclavable Film Printed with Internal & External Steam & ETO Indicators Self-sealing with Adhesive Tape No Sealing Machine Needed Sterilization Method: Steam Ethylene oxide (EO) Triple Seal and Triple Heat Processed