Dee Zee DZ87009 Heavyweight Bed Mat Helps Prevent Cargo From Shifting and Damaging Your Truck Bed Extra Thick .375" (9.52mm) Rubber Compound Construction Will Not Rust, Crack, Or Break - Even In Extreme Temperatures Resists Common Fuel and Oil Spills and Detailed Dimensions: L: 63.87 in. W:	55.25 in. Custom Fit Applications Contour Around Wheel Wells For A Perfect Fit Rubber Material Deflects UV Rays To Reduce Fading