... Dupont Tyvek since 2004,& Leading manufature of medical packing 3-side-sealed tyvek pouchfeautures:1. material: Tyvek® + easy peelable ... ,3. fiber free peel,4. consistant three-side peeling strength,5. available printing with the chemical indicator, for EO, irradation, or ... plasma(H2O2) gas,6. easy peelable,7. high durability8. chevron sealed, 3-side ...