Rawlings | Official League Recreational Use Practice Baseballs | Youth/8U | OLB3 | Bucket | 24 Count. 24 "OLB3" and "R8U" Baseballs in a bucket for easy transport. The Rawlings Olbs3 Recreational Use Baseballs are designed with a solid cork and rubber center with a synthetic leather cover to create an easy grip in addition to major league seams.