Product Overview Description. Protect your garage floor from salt, mud, grease, oil, antifreOKAYe and road debris dropping from your vehicle. nstructed of a reinforced 4mil/18 gauge polyethylene plastic with a 1-1/4" foam rope thermal welded around the perimeter this mat protects the finish and cuts clean-up time of your garage floor by ntaining mud, water and slush on the mat.