Reduce fatigue and soreness with these AmeriHome 3 x 5 ft. Industrial Rubber Floor Mats. The 3 by 5 foot flexible rubber mat is 1/4 inch thick, which gives you a large area to work on with plenty of cushion. The non-slip surface provides more traction when grease and other liquids get spilled. Just spray the industrial mats clean with a hose or power washer when they get dirty. You can even use these rubber mats to provide cushion and a non-slip surface in the bed of your truck.