what is baseball made of
A baseball is made out of a round shaped center made of rubber or cork. This material is then wrapped tightly in yarn (string) and is wrapped with a plastic or leather cover. Horsehide was once used for major league balls, but cowhide is used today.There are 4 layers of yarn used on a baseball. The first layer is gray woolen yarn, the second and third are three-ply woolen yarn and the final is white cotton-polyester yarn.orsehide was once used for major league balls, but cowhide is used today. There are 4 layers of yarn used on a baseball. The first layer is gray woolen yarn, the second and third are three-ply woolen yarn and the final is white cotton-polyester yarn.