This product is a set of 12 dozen baseballs, suitable for practice and training purposes. The balls are made of composite leather or synthetic materials, with a size of 9 inches and a weight of 5 ounces. These baseballs are designed for all age groups and are suitable for use by any team or player looking to improve their skills. The brand includes well-known names like Diamond and Rawlings, ensuring high quality and durability for your training sessions.