9 inch baseball high-grade pvc softball/baseball exercise practice game training base balls softball sport team games safety kid baseballs m

size:9",there are two types: soft baseball and hard baseball.soft is suitable for all bats.hard is only suitable for solid bats (such as solid wood bats). hard baseball is inflexible and hard,not recommended for children.so as not to accidentally hurt others.hard baseball is game specific baseball. soft baseball is suitable for kids of all ages and experience levels and beginners, etc. helps young players to develop confidence and learn correct mechanics..syi