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. CR3030 30cmx30cm CR4040 40cmx40cm CR5050 50cmx50cm CR6060 60cmx60cm CR7575 75cmx75cm CR9090 90cmx90cm CR1010 100cmx100cm CR1212 120cmx120cm