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 {TAIL ~ the outer core} of a regular flight softball 
combined to form
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 { TAIL ~ the outer core } of 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 REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH