microwavable instant rice; pre-cooked rice in a pack
Refers to shelf-stable or refrigerated pre-cooked rice sold in sealed packs, typically heated in a microwave before eating.
On busy mornings, I heat up a pack of instant rice in the microwave and eat it.
非常食としてパックご飯を備蓄している。
I stockpile packs of pre-cooked rice as emergency food.