Manufactured from environmentally friendly cellulose material made from wood pulp, NOT petroleum. Eliminates skin sensitivity issues associated with oily residues inherent in plastic based wrappers. Bacterial barrier to both airborne and waterborne contamination. Outstanding liquid repellency - water, alcohol, iodine. Exceptional Tensile Strength - wet or dry. Use with EtO, steam, gamma irradiation or E-Beam sterilization methodology. Even texture to permit immediate visual detection of small pinholes/tears. Meets FFA (Flammable Fabrics Act) requirements.