A multi layer film 1, wherein {TAIL ~ a temperature} at which {HEAD ~ the acid modified polyethylene resin} has a crystallinity of 60%, Tmα60, is lower than a temperature at which the crystalline polyethylene resin has a crystallinity of 80%, Tmβ80 
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A multi layer film 1 , wherein { TAIL ~ a temperature } at which { HEAD ~ the acid modified polyethylene resin } has a crystallinity of 60 % , Tmα60 , is lower than a temperature at which the crystalline polyethylene resin has a crystallinity of 80 % , Tmβ80
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL REL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH