J&J/Asp Sterrad� Tyvek� Self Seal Pouches Case 12356 by Johnson & Johnson/Advanced Sterilization Products GROUP: Sterilization:Packaging Supplies:Pouches Item Description: Tyvek� Pouch with Sterrad� Chemical Indicator, Self Seal, 12�" x 22", 100/shelf pk, 4 pk/Case Packaging Desc: Pouch Self Seal 12.5X22 4X100Shelf Pk 400/Case Country of Origin: Harmonized Tariff Code: Product Description: Pouches with STERRAD� Chemical Indicators (CI) provide confirmation that instruments have been exposed to hydrogen peroxide. Designed with barriers to contamination and with a thumb notch for easy opening.