{HEAD ~ The ball} 1 wherein said polyurethane foam material consists of {TAIL ~ 60 parts isocyanate} and 100 parts of a resin mixture and a blowing agent combined to form the outer core of a regular flight softball 
{ HEAD ~ The ball } 1 wherein said polyurethane foam material consists of { TAIL ~ 60 parts isocyanate } and 100 parts of a resin mixture and a blowing agent combined to form the outer core of a regular flight softball
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH