Durable Synthetic Leather Baseballs: Crafted from high-quality PU, these baseballs feature elastic soft filling, ensuring they withstand the rigors of intense training sessions. Official Size 9 Inch Baseballs: Designed to match standard baseball dimensions, perfect for both youth and adult leagues, offering authentic gameplay experience. Enhanced Durability & Performance: The PU material offers excellent elasticity, wear resistance, and high tensile strength, ideal for compatibility with various bats including solid wood and aluminum alloy. Training Practice Baseballs: Perfect for honing skills in pitching, hitting, batting, and fielding, catering to a wide range of baseball training needs. Versatile Use: Suitable for league play, practice, and as a gift, these baseballs offer a blend of functionality and enjoyment. Step up your game with our Official Size 9 Inch Training Practice Baseballs, designed for the serious player looking to elevate their skills in a variety of settings.