Ergotron WorkFit Floor Mat (97-620-060) Ergonomically designed to stimulate blood circulation and prevent fatigue by encouraging slight movement of lower legs. Highly flexible beveled edge reduces trip hazard. Specially-designed composite urethane technology. Ergonomically designed to stimulate blood circulation and prevent fatigue Standing on this anti-fatigue mat encourages slight movement of lower legs for healthy movement Highly flexible, beveled edge reduces trip hazard