Dee Zee DZ 86972 Heavyweight Bed Mat 5.5', BlackHighlights : Size : 5. 5' Color: Black Usage: For Chevrolet Silverado, GMC 2007 12 Helps Prevent Cargo From Shifting & Damaging Your Truck Bed Extra Thick . 375" (9. 52mm) Rubber Compound Construction Rubber Cleats Help Keep Mat In Place & Allow Water to Drain Highly Compressed Rubber Resists Abrasions & Tears Will Not Rust, Crack, Or Break Even In Extreme Temperatures Resists Common Fuel & Oil Spills Rubber Material Deflects UV Rays To Reduce Fading