Coverking Front and Rear Floor Mats for Select Mercury Grand Marquis Models - 40 Oz Carpet (Gray) Made from thick, super soft premium nylon carpet for soft touch and durability OE quality fit and finish that are a great alternatrive to factory carpet floor mats and backed by a special layer of thick, non-slip rubber to prevent floor mat movement Provides stain, soil, and spill protection of your vehicle's floor and covers up existing stains Tailor-made to the exact specifications of your vehicle's make, model, year, and configuration options for ideal fit Easy installation and includes a 1 year limited warranty against defects