PROBLEM TO BE SOLVED: To provide a rice-ball packaging material that prevents a rice ball, whose package film is opened, from becoming unsanitary while preventing hands from becoming gooey with moisture or seasonings of a rice ball.SOLUTION: The rice-ball packaging material is configured as follows. Sheet-like food 4 to be wrapped around a rice ball is stored in a storage part 3 between an outer film 1 and an inner film 2. If the outer film 1 is torn in a state of packaging the rice ball and pulled so as to separate each of the right and left parts from each other, the inner film 2 is separated to each of the right and left pieces 2a, 2b and the packaging material is opened in a state that the sheet-like food 4 is deposited on the rice ball. A cover material 6 is arranged between the outer film 1 and the sheet-like food 4 so as to cover the bottom of the rice ball.COPYRIGHT: (C)2012,JPO&INPIT【課題】開封された状態のおにぎりが不衛生になったり、おにぎりの水分や調味料で手がべたついたりすることを防止できるようにしたおにぎり用包装材を提供する。【解決手段】外フィルム部1と内フィルム部2との間の収容部3に握り飯に巻くシート状食品4を収容し、握り飯を包装した状態で外フィルム部1を引き裂いてその左右各部分が分離するように引っ張ると、内フィルム部2が左右各片2a,2bに分離して、握り飯にシート状食品4が付着した状態で開封されるようにしたおにぎり用包装材であって、外フィルム部1とシート状食品4との間におにぎりの底部を覆うカバー材6を配置している。【選択図】図4