Using high-quality polypropylene monofilament fibers, with a dual backing of stabilized dual-woven polypropylene and 5 mm urethane foam, Batter's Box is designed to optimize performance and safety at the plate. Safe for use with cleats and spikes, the system offers exceptional cushion and elasticity, and comes constructed with permanent white lines and home plate. The mat is easily movable if not installed with adhesive. Featuring optimal resilience to withstand all types of weather, Batter's Box is an ideal training tool.