Product details:

So you just purchased your shiny new pickup truck and you intent to do some seriously heavy duty hauling. You passed on purchasing the WeatherTech techliner because you really have your mind set on a drop-in bed liner for the full protection you need, but wait! Did you consider protecting the bed of your truck from the ravages of the rigid bed liner rubbing against the painted surfaces Introducing underliner - digitally designed to perfectly match the contours of your specific pickup truck bed. WeatherTech underliner provides added protection by creating a .065 thick semi-soft protective barrier between the rigid drop-in bed liner and the painted surface of your truck bed.Provides a semi-soft barrier between the rigid drop-in bed liner and the painted surface of your truck bed.
Made in USA!
Simple to install! No hardware, tools, or supplies needed ?C just place the rigid drop-in truck bed liner on top of the product.
Designed to work only with a drop-in bed liner and is not for use on its own.