PROBLEM TO BE SOLVED: To provide a handy rice ball molding packaging tool in which, when rice is packed to a rice ball molding packaging tool, by making either side storage body and the other side storage body of a rice ball packaging tool into open conditions, respectively, the rice ball is made easy to be packed, and further, when the molded rice ball is eaten, the eating can be performed without taking out the rice ball from the rice ball molding packaging tool.SOLUTION: Either side storage body 1 of a rice ball molding packaging tool H is freely bendable toward the outside via an either side first sectorial thin-walled part 14, an either side bottom face thin-walled part 10 and an either side second sectorial thin-walled part 15, and also, the other side storage body 2 of the rice ball molding packaging tool H is freely bendable toward the outside via the other side first sectorial thin-walled part 18, the other side bottom face thin-walled part 17 and the other side second sectorial thin-walled part 19.SELECTED DRAWING: Figure 4【課題】 ごはんをおにぎり成型包装具に詰め込むときは、おにぎり包装具の一方側収納体と他方側収納体をそれぞれ開放状態にすることにより、ごはんを詰め込みやすく、また、成型したおにぎりを食するときも、ごはんをおにぎり成型包装具から取出すことなく食することができる使い勝手が良好なおにぎり成型包装具を提供する。【解決手段】おにぎり成型包装具Ｈの一方側収納体１は、一方側第１の末広がり肉薄部１４、一方側底面肉薄部１０及び一方側第２の末広がり肉薄部１５を介して外方に向かって折曲自在であり、且つおにぎり成型包装具Ｈの他方側収納体２は、他方側第１の末広がり肉薄部１８、他方側底面肉薄部１７及び他方側第２の末広がり肉薄部１９介して外方に向かって折曲自在となっている。【選択図】図４
