[120 Balls for Batting Center] These balls are equivalent to the M-size balls used in batting centers. They are useful for various practices such as toss and tee batting. Please use them for baseball teams or individual practice. Although we inspect them, there may be occasional dirt and wear due to being used. Please understand this before purchasing. These are urethane balls, but their weight and feel are equivalent to softballs. Baseball Practice Individual practice Batting Batting center