Deflecto Anti-fatigue Standing Mat - Floor - 24" Length x 18" Width x 0.75" Thickness - Rectangle - Black - 1Each Reduce lower back pressure, prevent joint stiffness and decrease foot pressure with this anti-fatigue mat. Its soft, crush- layer provides exceptional comfort for those who spend a great deal of time on their feet to help prevent fatigue and increase productivity. Closed-cell construction absorbs shock to reduce foot pressure and prevent joint stiffness. UV-, chemical- material protects against cracking and fading for lasting support. Molded, beveled edges never curl and provide a smooth transition from the floor to prevent you from tripping.