The Rawlings Official League OLB 3 Practice Synthetic Leather Baseball 3-pack is a set of three size 9 inch baseballs suitable for training purposes. Made of synthetic leather with machine-stitched seams, these balls feature a cork core for added durability and bounce. Weighing 5 ounces each, these white baseballs are ideal for practice sessions and are officially licensed by Major League Baseball. The Rawlings brand is known for producing quality baseballs, making this 3-pack a reliable choice for players looking to improve their game.