Cold Steel Brooklyn Crusher, Bat, Black, Polypropylene, 29 CS-92BSS Since their release back in 2006" the Brooklyn Series of Baseball Bats have been consistent fan favorites! Precision injection molded out of the heaviest-grade high-impact polypropylene" they are not only stronger than most traditional bats" but they are more durable too! These unimaginably strong Bats won't rot" crack" splinter or even fade! You needn't worry about dirt affecting them either" since they're almost impervious to the elements and clean up with little more than soap and water.