... while maximizing safe footing. Use our Heavy-Duty Rubber Ring Mat for stabilization in your gravel, grass and sand applications. ... Ideal for equine, kennels, dairy, grass retention, anti-fatigue mat, soil stabilization, under driveways, walkways, anywhere good drainage is needed ... Manufactured from a blend of recycled and virgin rubber, these mats are ideal for grooming areas, wash racks, any areas ...