Dee Zee DZ85005 Universal Heavyweight Utility Bed Mat - 4' x 8' Universal Design Protects Truck Beds, Shop Floors, or Flat Bed Trailers Extra Thick 0.375" Rubber Construction Highly Compressed Rubber Resists Abrasions & Tears Will Not Rust, Crack, Or Break - Even In Extreme Temperatures L: 8' x W: 4'