Practice hitting, pitching and fielding before the big game with the DICK'S Sporting Goods 12 Pack of 9'' Baseballs. Coming in a package of 12 baseballs, this set includes 9'' baseballs designed for training. The balls boast a new and improved cork/rubber core and rolled-seam stitching for exceptional response on the field and in the air. The synthetic cover promotes increased durability to last all season long. FEATURES: Size : 9'' Sport : Baseball Cover : Synthetic for great durability and response Core : Cork/rubber Stitching : Rolled seams Balls included per purchase : 12 adidas