How These Help Your Hitters Improve Faster: ✅ Use with any kind of game bat or training bat, so they get more out of practice  ✅ Train against velocity without worrying about broken bats, machines, or HBP ✅ Prevents wear and tear on bats and hands, so they can focus on hitting without the sting of getting jammed   Firm foam material designed to be used for pitching machine and training scenarios. Designed to imitate the visual of a Softball, but give the hitter the forgiving benefits of a foam ball. Similar flight, velocity, and spin of a real Softball.