Bed Liner Comparison
Compare a "Drop In Bed Liner" versus a "Spray On Bed Liner" versus a Dual Liner Bed Liner. It is clear to see that if your truck could choose a bed liner for itself the Dual Liner would be it's first choice.
Here are some Dual Liner related articles
http://www.squidoo.com/bed-rug-versus-dual-liner-which-bed-liner-is-better-for-you
http://www.squidoo.com/how-to-install-a-5-piece-bed-liner
http://www.squidoo.com/the-perfect-bed-liner-for-todays-trucks
http://www.squidoo.com/the-truck-accessory-that-pays-for-itself
http://www.squidoo.com/bedtred-review
http://www.squidoo.com/how-to-install-a-5-piece-bed-liner
http://www.squidoo.com/the-perfect-bed-liner-for-todays-trucks
http://www.squidoo.com/the-truck-accessory-that-pays-for-itself
http://www.squidoo.com/bedtred-review