The invention relates to a laminated material for forming a flexible container for holding a hair dye or the like, the laminated material having a first surface which, in use, forms the internal surface of the container, and a second surface which, in use, forms the external surface of the container, the laminated material comprising an inner layer, an outer layer and an intermediate metal foil barrier layer, wherein the inner layer is on the first surface side of the metal foil barrier layer, and wherein the outer layer is on the second surface side of the metal foil barrier layer, wherein the laminated material has a total thickness of at most 240 μm, and wherein the inner layer comprises polyethylene and has a mean density of 0.92 to 0.94 g/cm3.