BB6X12B2 Major League Turf-6ft x 12ft Batters Box Major League Turf-6ft x 12ft Batters Box Stabilized woven polypropylene backing. Secondary backing consists of 24 oz. of precoat and 64 oz. of urethane foam. Features: • Used during pre-game or practice to reduce maintenance time on field. • Can be used indoors or out Heavy-duty turf mats.