Whats Inside A Baseball

Whats inside a baseball?

The ball features a rubber or cork center, wrapped in yarn and covered in leather. It is 9 to 9 1⁄4 inches (229–235 mm) in circumference (2 7⁄8–3 in or 73–76 mm in diameter). The yarn or string used to wrap the baseball can be up to one mile (1.6 km) in length.

Main brand of Baseballs

The main ball used by the MLB is a special Rawlings ball.
How It's Made- Baseballs