{TAIL ~ The first material} is selected from the group consisting of cork, kapok, rubber, or a thermoplastic resin such as an ethylene vinyl acetate copolymer, {HEAD ~ an ethylene acrylic acid copolymer} or a blend of both 
{ TAIL ~ The first material } is selected from the group consisting of cork , kapok , rubber , or a thermoplastic resin such as an ethylene vinyl acetate copolymer , { HEAD ~ an ethylene acrylic acid copolymer } or a blend of both
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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH