FIELD: food industry, namely, production of package for food products. SUBSTANCE: copolymer mixture comprises, mas. %: copolymer of vinylidene chloride and vinyl chloride, 90-50; copolymer of vinylidene chloride and methyl acrylate, 10-50; quantity of vinyl chloride in mixture being more 12 mass % and quantity of methyl acrylate in mixture being less 2.8 mass %. Multilayer film comprising said copolymer mixture in barrier layer together with method for its production and articles of its are also proposed. EFFECT: improved quality of desired product, improved efficiency of the method. 16 cl, 2 tbl
