The drop in bed liner did do a decent job of protecting the trucks bed from dents, but in the process seemed to destroy the trucks finish. Drop in bed liners are known to shift around, shake, and vibrate around, this combined with dirt and debris trapped underneath is a deadly combination to your trucks box. The bed liner slides back and forth and any dirt or debris will wear the trucks finish off in a quick hurry. Because the drop in bed liners are very big and bulky it is quite difficult to take it out, especially if you are attempting to do this by yourself. So this damage usually goes on without any signs or symptoms of destruction until it is too late. There can be entire sections of the trucks box that are rusted out (or gone). This makes it virtually impossible to repair easily. Dual Liner uses similar materials but utilizes advances in the manufacturing process to make several individual sidewall panels that are exact fit, meaning that the snap in place and allow no room for shifting around. This affords the Dual Liner bed liner system superior dent protection with no adverse effects to the trucks finish. Each of the panels has a channel built into the bottom that the Zero Skid mat tucks into, this holds the mat in place and prevents it from blowing out. The Zero Skid Mat is 3/8ths of an inch thick and is composed of top quality rubber that stays limber. This works great to absorb impacts from even the most extreme of cargo, by spreading the impact similarly to the sidewalls, over a much larger surface area.

Spray on bed liners require an installer to destroy the trucks finish with grinders to allow the chemical compounds to adhere. The spray on bed liners do not preserve the trucks condition, they actually alter it in a permanent way. If the spray on bed liner fades over time or gets scratched up, your choices are very limited as to what you can do, most likely you will be left with a sub-par looking bed liner (unless you want to shell out the huge expense to repair it or to touch it up). If you do not have the Dual Liner truck bed liner there is good chance that your expectations have not been met. Don't settle on a truck bed liner that your truck wont like, give your truck a bed liner it deserves, Dual Liner Bed Liner Systems. For More information Google "The Only Bed Liner That Works!"