Carpet mat is made of polypropylene with a matching fabric border are solution-dyed to reduce fading. Exclusive rubber reinforced, diamond face pattern prevents the carpet pile from crushing, extending the mats performance life. Rubber back minimizes movement. Choice of flat backing for smooth surfaces (tiles or wood) or a gripper back for rough surfaces (carpet or concrete). Unique ridged construction effectively removes and holds dirt and moisture below shoe level. Slip-resistant. 3⁄8″ thick overall. 3’Wx4’D. 9 lbs. ~Made In The USA~ *This item is environmentally friendly because its rubber backing contains 15-20% recycled tire content.