Mopars Skid Resistor (2xs more skid resistance) and premium quality Over-the-Rail Bed Liners and Tailgate Covers are custom tailored to your trucks box and side rails. They are molded of a blend of rubber and polyethyulene with a ribbed design to promote water drainage from the bed and provide full use of the integrated vertical and horizontal board dividers. Mopar Over-the-Rail Bed Liners and Tailgate Covers extend the bed protection over the bed rails. Tailgate Covers feature built-in cup holders. Color: Black Size: 6.3 Bed Notes: For 1500 Short Bed with a tailgate spoiler built before 1/1/07. Skid Resistor Bed Liner and Tailgate Cover. Rams Head logo.