Abstract: Sterilization packaging materials of a microporous membrane and support layer which are bacteria impermeable, gas permeable, non-linting and compatible with all gas sterilization systems are provided. Desirable translucent areas may be incorporated into the sterilization packaging materials. Sterilization packages of these materials and methods for their use in gas sterilization of articles are also provided.

Abstract: A stopper for use in a substantially cylindrical bottle opening is disclosed. The stopper is made of a natural cork body with a polymeric portion to prevent flavor scalping and seal the bottle opening. The stopper of the present invention is designed to enhance traditional bark corks in wine bottles. The stopper of the present invention reduces flavor scalping, water and ethanol permeation, and TCA permeation associated with traditional corks, and results in excellent Wine Protection Factor ratings.