noun
A bag prepared for emergencies, containing essential items for evacuation. Often synonymous with 非常持ち出し袋.
See also: 非常持ち出し袋
地震に備えて避難袋を用意しておきましょう。
Let's prepare an emergency bag in case of an earthquake.
Very similar in meaning; 非常持ち出し袋 explicitly emphasizes items to take out during an emergency, while 避難袋 is a slightly broader term for an evacuation bag.
Compound of 避難 (ひなん, 'evacuation') and 袋 (ふくろ, 'bag').