Improve your batting game with the SKLZ(R) Contact XL Training Ball. The contact ball promotes consistent contact, proper follow-through, and stronger overall swings. Get instant feedback on your hit. A square hit flies straight, while an off-center hit wobbles and falls short. Improve the strength and accuracy of your swing. Features Promotes consistent contact and proper follow-through Improves stronger swings Square hits fly straight Off-center hits wobble and fall short