The Diamond Sports USSSA Competition Baseball is designed for athletes who are serious about their performance. This baseball features advanced materials and construction to provide players with maximum accuracy and durability. The core of the Diamond Sports USSSA Competition Baseball is constructed from a premium grade cork and rubber blend. This unique blend provides the baseball with superior durability and elasticity. The cover of the ball is a premium grade synthetic leather, providing a softer feel and greater accuracy. The seams are tightly wound and reinforced with a thread that is twice as strong as the industry standard.