This clothing storage device 1 has a bag body 10 in which clothing A is contained. The bag body 10 is filled with a non-oxygen gas and hermetically sealed. The bag body 10 contains an oxygen absorber 30. The bag body 10 is provided with a partition 40 that partitions the clothing A and the oxygen absorber 30. A sensor 50 that detects oxygen concentration is provided in the bag body 10.
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