Genuine Joe Anti-Fatigue Mat, 3 by 5-Feet, Black Marble Anti-fatigue mat helps reduce fatigue from prolonged standing and increase productivity Ideal for general office; copiers; teller stations; service counters; light-industrial dry-area assembly lines; airports and banks 1/2" top surface is puncture-resistant and flame-resistant Anti-fatigue mat helps reduce fatigue from prolonged standing and increase productivity Ideal for general office; copiers; teller stations; service counters; light-industrial dry-area assembly lines; airports and banks 1/2-Inch top surface is puncture-resistant and flame-resistant