5 Year Warranty Against Manufacturing Defects - Total Weight: 20.0 oz per linear yard - Exceeds G.S.A. Federal Specifications CCC-W-408D for Type II materials - This wallcovering passes the National Fire Protection Association NFPA286 Corner Burn Test - Class A, Tested in Accordance with ASTM E-84 Tunnel Test - Anti-Microbial Features: Contains bactericides & mildew inhibitors to discourage the growth of mold and mildew under normal conditions