BULL MINERAL COVER ONLYAgricultural Mats from Boomerang Rubber provide comfort and fatigue relief for horses, cows, and pigs. They are made of durable friction material for dependable usage in stalls, milking parlors, and trailers. The non porous surface won't absorb moisture, preventing bacterial growth, while the insulation against cold and dampness provides warmth for animals during the cooler months. The grooved bottom of our agricultural mats allows for easy drainage