... while maximizing safe footing. Use our Heavy-Duty Rubber Ring Mat for stabilization in your gravel, grass and sand applications. ... flooring! Ideal for equine, kennels, dairy, grass retention, anti-fatigue mat, soil stabilization, under driveways, walkways, anywhere good drainage is needed ... for use under workbench areas as anti-fatigue mat.• Bottom side of mat is held off the subsurface by hundreds of ...