1) laminating an aluminum layer subjected to chromium free chemical conversion treatment to {HEAD ~ one side} of {TAIL ~ a polyolefin resin film} , and 
of
1 ) laminating an aluminum layer subjected to chromium free chemical conversion treatment to { HEAD ~ one side } of { TAIL ~ a polyolefin resin film } , and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH