Ideal for batting practice or playing casual games . this set of Rawlings Official League Recreational Use Baseballs contains a dozen baseballs in a convenient plastic bucket. These baseballs are official size and weight. The Rawlings OLB2 Recreational Use Baseballs are designed with a solid cork and rubber center and a full-grain leather cover to create an easy grip in addition to major league seams. They are ideal for ages 10 and under and are the #1 choice of leagues . coaches . parents . and players in North America.