100 percent polypropylene material is heat fused and needle punched for incredible durability for walk-on and wheeled traffic Our most durable mat won't rip, shred or fray, even under heavy forklift traffic Absorbs and retains oils, coolants, solvents and water Dark gray color hides grime, so mat stays on the job longer Rolls are ideal for walkways and large areas to soak up leaks and overspray