Our classic plush olefin mat available in a wide array of colors. It helps protect floors with a vinyl backing moisture barrier. As a wiper, it plays a major role in the retention of water and fine dust so fewer contaminants enter the building. Retains 60% more liquid and fine dirt than our standard Rely-On Olefin. Resist fading, staining, mold, and mildew. ThermoFlex backing D.I.N.P - Free PVC.. Pile Weight: 18 oz. per sq yd. Thickness: 7/16".