A multilayer laminate film assembly is provided, which includes at least two multilayer substrate films, each substrate film having at least a first outer layer and a second outer layer, and wherein the at least two multilayer substrate films each include at least two layers of a different class of material. In the laminate film assembly, the at least two substrate films are laminated together, preferably wherein the class of material of the first outer layer differs from the class of material of the second outer layer. The multilayer substrate films are from the same type of substrate. A standing pouch is further provided which includes a front panel, a back panel, and a bottom panel, wherein all panels are from the multilayer laminate film.