DESCRIPTION: By coating and laminating a wide variety of base fabrics with polyurethane (PU), polyvinylchloride (PVC), and other specialized chemistries, Highland creates air-, liquid- and gas-holding materials that can be used to make finished products through radio-frequency (RF), hot air, ultrasonic or other sealing technologies. You are buying one ~160-yard roll of 63"-wide heavy-duty water-resistant fabric coated with polyurethane or polyvinylchloride. FEATURES: Manufactured by Highland Industries in Kernersville, North CarolinaHeavy duty at ~8 ounces per yardThickness (measured w/ machinist's micrometer) approximately 0.008 inchesOur guess is that this is PVC-coated water-resistant ballistic nylonSimilar material sells for over $10 per yard ($6000 for this much) CA Inventory # 5897