Dee Zee DZ86972 Heavyweight Bed Mat Extra Thick .375" (9.52mm) Rubber Compound Construction; Measures 5.5 Feet Helps Prevent Cargo From Shifting and Damaging Your Truck Bed Rubber Material Deflects UV Rays To Reduce Fading Note: Product Fits with 2007-2018 Chevy Silverado/GMC Sierra 5.5 bed