Achim Home Furnishings Anti Fatigue Mat, 18" X 30", Chateau Size: 18"x30", Material: ECO PVC Foam, Resilient Foam Reduces Fatigue when Standing, Supportive Foam Layer Conforms to the Contours of Your Feet, Beveled Edges, Non Slip Back, Care instructions: Clean with brush, broom, vacuum or shake briskly. Occasionally rinse with a garden hose. Air Dry. Size: 18"x30" Material: ECO PVC Foam, Resilient Foam Reduces Fatigue when Standing, Supportive Foam Layer Conforms to the Contours of Your Feet,