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