CHAMPRO CBB-40 Genuine Leather Cover Baseballs in a Blue Bucket – 30 Balls and one Rods Can Sleeve Included. 30 BALLS INCLUDED: Includes 30 Champro CBB-40 official league baseballs. OFFICIAL LEAGUE BASEBALLS: All baseballs in the bucket are made with a C-2 poly pond cork and rubber core, vinylon finished wind, and genuine leather cover.