Bandit Sports Gravity Balls are the perfect training aid for baseball players of all ages and skill levels. The unique shape of a Gravity Ball creates extreme movement when thrown. The double walled thickness of Gravity Balls reduces dents and increase movement. Great for all ages Extreme movement when thrown Made from durable materials, they can be used indoors or outdoors while training A Bandit Sports gravity ball can help you perfect your pitching throwing and batting techniques Ideal training aid for players looking to take their game to the next level