Essex Replacement Molded Red Complete Carpet Kit with Mass Backing (3590-182-1170000000) by Auto Custom Carpets®. 2 Pieces. This top-notch Essex material is composed of 100% nylon yarn. Tufted to a 1/10 gauge cut pile, Essex contains 22.5 ounces of yarn per square yard to provide a rich look and feel. It is a great modern version of the cut pile material which can be specified for almost any model of vehicle. Essex is available with optional Mass Backing which helps enhance the whole look of your carpet.