Features: This 9inch pitch training baseball is perfect for both training and recreational game. Make from PVC, Rubber core, wood chip core, this baseball withstands frequent use, making it perfect for regular training. Feature distinct finger position markers, this competition training baseball aids in proper grip and technique development. With a diameter of 7.2cm/2.83inch, the game practice baseball strikes the perfectly balance between usability and performances. This outdoor practice baseball is excellent choice for high school practice and beyond, catering to aspiring athletes and seasoned player. Specifications: Component: PVC, Rubber core, wood chip core Type: Soft/Hard Diameter: about 7.2cm/2.83inch Package Includes: 1pc Training Baseball note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.