We use hard skin foam balls inside. Here is a link to the ones that I buy...
Hard - Skin Coated Foam Softball Set
Hard - Skin Coated Foam Softball Set
We use hard skin foam balls inside. Here is a link to the ones that I buy...
Hard - Skin Coated Foam Softball Set
these look promising. DD2 is trying to move her pitching practice into the basement now that it's cold and practicing with wiffle balls is totally messing her up. What size are these? are they equivalent to an 11" ball?