Our Mud Control Grids, manufactured from 100% recycled plastic by HAHN Plastics, are the perfect solution to tackle even the most challenging mud problems around gates, feeders, waterers, laneways and other heavy use areas on your horse or livestock property. Each grid measures 19.69" x 19.69" and weighs approximately 15 lbs. Installation is simple. No heavy equipment or ground preparation required. Just lay the grids on top of the mud. Sturdy enough to drive tractors and other heavy equipment over.