Intro-Tech Berber Front and Second Row Custom Floor Mats for Select Mercedes W221 S-Class Models - Carpet (Light Gray) 42-ounce luxurious polypropylene carpet, woven in a fresh and visually inviting design Multiple layered construction, finished with color coordinated serging Five vibrant automotive colors to choose from; manufactured in the USA Rubber nib backing provides extra traction 100 percent colorfast with easy soap and water cleanup