The SKLZ Pitch Training Baseball teaches right- and left-handed pitchers the proper finger placement with a color-coded pitching key and finger markers printed on the ball. Quickly learn or coach the proper grip for throwing 4-seam fastballs, 2-seam fastballs, curveballs, and sliders. Unlike some other training baseballs, the SKLZ Pitch Training Baseball is the official weight and size of game balls allowing players to train accurately and develop the muscle memory needed to master the pitches more likely to strike batters out. Recommended for youth baseball athletes, the Pitch Training Baseball is the easiest way to create added confidence in players fastballs, curveballs and sliders.