A sheet material container comprising a containing portion that contains contents and formed of a layer sheet, wherein the layer sheet includes an inner sheet, an intermediate sheet covering an outer side of the inner sheet, and an outer sheet covering an outer side of the intermediate sheet, and is arranged on opposite sides with the containing portion between the opposite sides, at least parts of peripheral edges of the inner sheet are attached so that the inner sheet forms an inner bag, the outer sheet and the intermediate sheet have attached portions partially attached to each other and non-attached regions not attached to each other, a filled portion (41T, 42T) enclosing a filler is formed between the outer sheet and the intermediate sheet in the non-attached region, characterized in that at least parts of the outer sheet and the intermediate sheet include light transmitting portions that can transmit visible light, the light transmitting portions in the outer sheet and the intermediate sheet have portions overlapping each other when seen from outside the sheet material container, and the inner sheet or the contents can be visually recognized through the light transmitting portions from outside the sheet material container, wherein the filled portion (41T, 42T) is arranged on at least one of opposite side sections of the sheet material container, a decorative portion (36i, 36j) with decoration is provided on at least a part of the inner sheet, and the decorative portion (36i, 36j) has a three-dimensional shape on the inner sheet between the opposite side sections, wherein the inner sheet includes facing surfaces located on the opposite side sections of the sheet material container and facing the filled portion (41T, 42T) between the containing portion and the filled portion (41T, 42T), and crossing surfaces located between the facing surfaces on the opposite side sections of the sheet material container and crossing the facing surfaces, and the decorative portion is provided on at least the facing surfaces. wherein the layer sheet includes an inner sheet, an intermediate sheet covering an outer side of the inner sheet, and an outer sheet covering an outer side of the intermediate sheet, and is arranged on opposite sides with the containing portion between the opposite sides, at least parts of peripheral edges of the inner sheet are attached so that the inner sheet forms an inner bag, the outer sheet and the intermediate sheet have attached portions partially attached to each other and non-attached regions not attached to each other, a filled portion (41T, 42T) enclosing a filler is formed between the outer sheet and the intermediate sheet in the non-attached region, characterized in that at least parts of the outer sheet and the intermediate sheet include light transmitting portions that can transmit visible light, the light transmitting portions in the outer sheet and the intermediate sheet have portions overlapping each other when seen from outside the sheet material container, and the inner sheet or the contents can be visually recognized through the light transmitting portions from outside the sheet material container, wherein the filled portion (41T, 42T) is arranged on at least one of opposite side sections of the sheet material container, a decorative portion (36i, 36j) with decoration is provided on at least a part of the inner sheet, and the decorative portion (36i, 36j) has a three-dimensional shape on the inner sheet between the opposite side sections, wherein the inner sheet includes facing surfaces located on the opposite side sections of the sheet material container and facing the filled portion (41T, 42T) between the containing portion and the filled portion (41T, 42T), and crossing surfaces located between the facing surfaces on the opposite side sections of the sheet material container and crossing the facing surfaces, and the decorative portion is provided on at least the facing surfaces.