What holds a softball together?

Answer 1

string holds it all together

the stitches you see on a softball helps to hold the softball together but that's not all. On the inside of the cover there is something sticky that holds the cover to the actual ball inside

Answer 2

A softball consists of a core, typically made of cork or rubber, which is surrounded by layers of yarn or synthetic materials. The entire ball is then covered with a leather or synthetic cover to protect it during play.