Description: The deep grooves and raised ridges in these heavy-duty mats catch and hold snow- slush and mud- while protecting the vehicle carpeting. Nibbed backing and driver-side positive retention help keep mats in place. Available in 4-piece sets for front and rear- in colors that complement your vehicle interior.rn. Front and Rear Set, Ebony with MKZ Logo. This product replaces 7H6Z5413300A.