Now that you have moved the gas tank out of the cap of your truck, it looks unfinished on the back wall behind the seat. This carpet covers the back wall of the cab. Fits RWD (two wheel drive) trucks. Carpet sets are manufactured using only the highest quality 80/20 blend material. Each carpet is press molded into shape so that they will hug the rear panel on your regular cab truck. Carpet comes with pre-glued jute padding/backing. This padded backing helps to insulate the truck from heat, cold, and noise. The look, feel, and durability is second to none.