The Only Practice Ball with Regulation Sound and playing characteristics that stands up to the rigor of pitching machines, practice cage and outdoor live work, even in wet weather. Matches hide-covered baseballs in sound, liveliness and flight off the bat. Unique poly-cork and yarn wound core with double rubber cover. Lasts three times as longs as hide covered baseballs. Perfect for college and high school practice. Guaranteed for one year.
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