3M™ Safety-Walk™ Cushion Mat 3300 Black (centre) 710mm x 790mm Extremely comfortable due to matrix design and buoyant air pockets. Air pockets provide fatigue relief and good grip. Diamond checker plate design provides excellent grip. Centre has edge on two sides and connectors on the other two. Modular to create mat to any length (single, end and centre pieces connect together) Will not come apart during use but can easily be unlocked as needed or permanently fixed Solid surface Yellow edges for added visibility and safety