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