Perfect for game day or for practicing your hitting skills, the DICK'S Sporting Goods(R) 12 Pack of Leather Baseballs are durable, dependable and built to last. These 12 premium baseballs are constructed with a durable leather cover and a cork/rubber core for long-term durability. Official size and weight with quality wool winding. Features Cover : Premium, full-grain leather for durability Core : Composite cork and rubber Windings : Wool blend for extra durability and strength Stitching/Seams : Raised red seams for improved grip League/Certification(s) : Practice Additions : Comes in box Balls included per purchase : 12 (dozen) Recommended Age : All ages DICK'S Sporting Goods