the present invention relates to a sealable laminated film which contains a copolymer consisting of ethylene and α - olefine , wherein the mpe copolymer is characterized as follows : polymerised with metallocene catalysts , crystallite melting point less than 110 ° c ., preferably less than 105 ° c ., melt index mfr from 0 . 5 to 10 g / 10 min , molecular weight distribution m w / m n less than 3 , preferably less than 2 . 5 .