To provide a light-shielding lid material for a rice cooking container which prevents alteration of rice which is a content, has a good seal appearance in a sealed state and an opened state, and a cooked rice packed with rice cooked hermetically using it.SOLUTION: This light-shielding cover material 1 for a rice cooker has a base material layer 10, a first white layer 21, a black layer 22 and a second white layer 23 in this order. In addition, on the bottom material for rice cooked rice packed with rice cooked rice, the rice covered light-shielding lid material 1 is disposed with the base material layer 10 facing outward and sealed and wrapped to obtain a cooked rice pack .BACKGROUND OF THE INVENTION【課題】内容物である米飯の変質を防ぎ、シール状態及び開封状態での外観が良好な米飯容器用遮光性蓋材及びそれを用いて炊飯米が密封包装された米飯パックを提供する。【解決手段】基材層10、第一の白色層21、黒色層22、及び第二の白色層23をこの順に有する米飯容器用遮光性蓋材1である。また、炊飯米が充填された米飯容器用底材の上に、上記の米飯容器用遮光性蓋材1が基材層10を外側に向けて配置され密封包装することで、米飯パックが得られる。【選択図】図1