Provided is a material for aluminum alloy molded packages exerting excellent moldability. Specifically provided is a material (1) for molded packages, the material (1) being provided with an aluminum alloy foil (8) which contains 0.8 to 1.7 mass % of Fe, 0.05 to 0.20 mass % of Si, 0.0025 to 0.0200 mass % of Cu, the remainder being Al or unavoidable impurities, and has an average crystal grain diameter of 20 [mu]m or less. Moreover, the material (1) is characterized in that the average value (YS) of the 0.2% proof strength at 0 DEG , 45 DEG and 90 DEG in relation to the rolling direction and the average value (TS) of the maximum tensile strength satisfy YS/TS=0.60.本發明提供一種具有良好成形性能的鋁合金成形包裝體材料。本發明的成形包裝體材料(1)具備鋁合金箔(8),其含有Fe:0.8~1.7mass%、Si:0.05~0.20mass%、Cu:0.0025~0.0200mass%,剩餘部分由Al和不可避免的雜質構成,平均結晶粒徑為20μm以下,相對軋製方向呈0度、45度、90度方向的0.2%耐力的平均值YS和最大抗拉強度的平均值TS滿足YS/TS≦0.60。