DualLiner Bed Liner 2011-2016 Ford F-250/F-350 6'9" Bed, Model FOS1165 100% Made in the U.S.A Hard sidewalls for superior dent protection 3/8in.-thick ZeroSkid floor keeps cargo where you put it REAL 100% Lifetime Warranty Fits 2011-2016 Ford F250/F350 with 6'9" bed