The Rawlings 9" Plastic Balls in Optic Yellow are specifically designed for baseball training, making them ideal for batting practice. This 6 pack of new balls is perfect for young children, featuring a durable plastic material that is easy to grip and hit. The vibrant yellow color enhances visibility during practice sessions, making it easier for players to observe their progress and improve their skills on the field. Rawlings, a trusted brand in baseball equipment, ensures quality and performance with these training balls.